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The ''Geography'' ( grc-gre, Γεωγραφικὴ Ὑφήγησις, ''Geōgraphikḕ Hyphḗgēsis'',  "Geographical Guidance"), also known by its
Latin Latin (, or , ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through ...
names as the ' and the ', is a
gazetteer A gazetteer is a geographical index or directory used in conjunction with a map or atlas.Aurousseau, 61. It typically contains information concerning the geographical makeup, social statistics and physical features of a country, region, or con ...
, an
atlas An atlas is a collection of maps; it is typically a bundle of maps of Earth or of a region of Earth. Atlases have traditionally been bound into book form, but today many atlases are in multimedia formats. In addition to presenting geogra ...
, and a treatise on
cartography Cartography (; from grc, χάρτης , "papyrus, sheet of paper, map"; and , "write") is the study and practice of making and using maps. Combining science, aesthetics and technique, cartography builds on the premise that reality (or an i ...
, compiling the geographical knowledge of the 2nd-century
Roman Empire The Roman Empire ( la, Imperium Romanum ; grc-gre, Βασιλεία τῶν Ῥωμαίων, Basileía tôn Rhōmaíōn) was the post-Roman Republic, Republican period of ancient Rome. As a polity, it included large territorial holdings aro ...
. Originally written by
Claudius Ptolemy Claudius Ptolemy (; grc-gre, Πτολεμαῖος, ; la, Claudius Ptolemaeus; AD) was a mathematician, astronomer, astrologer, geographer, and music theorist, who wrote about a dozen scientific treatises, three of which were of importa ...
in
Greek Greek may refer to: Greece Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group. *Greek language, a branch of the Indo-European language family. **Proto-Greek language, the assumed last common ancestor ...
at
Alexandria Alexandria ( or ; ar, ٱلْإِسْكَنْدَرِيَّةُ ; grc-gre, Αλεξάνδρεια, Alexándria) is the second largest city in Egypt, and the largest city on the Mediterranean coast. Founded in by Alexander the Great, Alexandri ...
around AD 150, the work was a revision of a now-lost atlas by
Marinus of Tyre Marinus of Tyre ( grc-gre, Μαρῖνος ὁ Τύριος, ''Marînos ho Týrios'';  70–130) was a Greek geographer, cartographer and mathematician, who founded mathematical geography and provided the underpinnings of Claudius Ptolemy' ...
using additional Roman and Persian gazetteers and new principles. Its translation into
Arabic Arabic (, ' ; , ' or ) is a Semitic language spoken primarily across the Arab world.Semitic languages: an international handbook / edited by Stefan Weninger; in collaboration with Geoffrey Khan, Michael P. Streck, Janet C. E.Watson; Walter ...
in the 9th century and
Latin Latin (, or , ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through ...
in 1406 was highly influential on the geographical knowledge and cartographic traditions of the medieval Caliphate and
Renaissance The Renaissance ( , ) , from , with the same meanings. is a period in European history marking the transition from the Middle Ages to modernity and covering the 15th and 16th centuries, characterized by an effort to revive and surpass ide ...
Europe.


Manuscripts

Versions of Ptolemy's work in antiquity were probably proper
atlas An atlas is a collection of maps; it is typically a bundle of maps of Earth or of a region of Earth. Atlases have traditionally been bound into book form, but today many atlases are in multimedia formats. In addition to presenting geogra ...
es with attached maps, although some scholars believe that the references to maps in the text were later additions. No
Greek Greek may refer to: Greece Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group. *Greek language, a branch of the Indo-European language family. **Proto-Greek language, the assumed last common ancestor ...
manuscript of the ''Geography'' survives from earlier than the 13th century. A letter written by the
Byzantine The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...
monk A monk (, from el, μοναχός, ''monachos'', "single, solitary" via Latin ) is a person who practices religious asceticism by monastic living, either alone or with any number of other monks. A monk may be a person who decides to dedic ...
Maximus Planudes Maximus Planudes ( grc-gre, Μάξιμος Πλανούδης, ''Máximos Planoúdēs''; ) was a Byzantine Greek monk, scholar, anthologist, translator, mathematician, grammarian and theologian at Constantinople. Through his translations from L ...
records that he searched for one for
Chora Monastery '' '' tr, Kariye Mosque'' , image = Chora Church Constantinople 2007 panorama 002.jpg , caption = Exterior rear view , map_type = Istanbul Fatih , map_size = 220px , map_caption ...
in the summer of 1295; one of the earliest surviving texts may have been one of those he then assembled. In Europe, maps were sometimes redrawn using the coordinates provided by the text, as Planudes was forced to do. Later scribes and publishers could then copy these new maps, as
Athanasius Athanasius I of Alexandria, ; cop, ⲡⲓⲁⲅⲓⲟⲥ ⲁⲑⲁⲛⲁⲥⲓⲟⲩ ⲡⲓⲁⲡⲟⲥⲧⲟⲗⲓⲕⲟⲥ or Ⲡⲁⲡⲁ ⲁⲑⲁⲛⲁⲥⲓⲟⲩ ⲁ̅; (c. 296–298 – 2 May 373), also called Athanasius the Great, ...
did for the
emperor An emperor (from la, imperator, via fro, empereor) is a monarch, and usually the sovereign ruler of an empire or another type of imperial realm. Empress, the female equivalent, may indicate an emperor's wife ( empress consort), mother ( ...
Andronicus II Palaeologus , image = Andronikos II Palaiologos2.jpg , caption = Miniature from the manuscript of George Pachymeres' ''Historia'' , succession = Byzantine emperor , reign = 11 December 1282 –24 May 1328 , coronation = 8 Novemb ...
. The three earliest surviving texts with maps are those from
Constantinople la, Constantinopolis ota, قسطنطينيه , alternate_name = Byzantion (earlier Greek name), Nova Roma ("New Rome"), Miklagard/Miklagarth (Old Norse), Tsargrad ( Slavic), Qustantiniya (Arabic), Basileuousa ("Queen of Cities"), Megalopolis (" ...
(
Istanbul ) , postal_code_type = Postal code , postal_code = 34000 to 34990 , area_code = +90 212 (European side) +90 216 (Asian side) , registration_plate = 34 , blank_name_sec2 = GeoTLD , blank_i ...
) based on Planudes's work. The first
Latin Latin (, or , ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through ...
translation of these texts was made in 1406 or 1407 by
Jacobus Angelus Giacomo or Jacopo d'Angelo ( 1360–1411), better known by his Latin name Jacobus Angelus, was an Italian classical scholar, humanist, and translator of ancient Greek texts during the Renaissance. Named for the village of Scarperia in the Mugell ...
in
Florence Florence ( ; it, Firenze ) is a city in Central Italy and the capital city of the Tuscany region. It is the most populated city in Tuscany, with 383,083 inhabitants in 2016, and over 1,520,000 in its metropolitan area.Bilancio demografico ...
,
Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ...
, under the name '. It is not thought that his edition had maps, although Manuel Chrysoloras had given Palla Strozzi a Greek copy of Planudes's maps in Florence in 1397.


Contents

The ''Geography'' consists of three sections, divided among 8 books. Book I is a treatise on
cartography Cartography (; from grc, χάρτης , "papyrus, sheet of paper, map"; and , "write") is the study and practice of making and using maps. Combining science, aesthetics and technique, cartography builds on the premise that reality (or an i ...
, describing the methods used to assemble and arrange Ptolemy's data. From Book II through the beginning of Book VII, a gazetteer provides longitude and latitude values for the world known to the
ancient Romans In modern historiography, ancient Rome refers to Roman civilisation from the founding of the city of Rome in the 8th century BC to the collapse of the Western Roman Empire in the 5th century AD. It encompasses the Roman Kingdom (753–50 ...
(the "
ecumene The ecumene ( US spelling) or oecumene ( UK spelling; grc-gre, οἰκουμένη, oikouménē, inhabited) is an ancient Greek term for the known, the inhabited, or the habitable world. In Greek antiquity, it referred to the portions of the worl ...
"). The rest of Book VII provides details on three projections to be used for the construction of a map of the world, varying in complexity and fidelity. Book VIII constitutes an
atlas An atlas is a collection of maps; it is typically a bundle of maps of Earth or of a region of Earth. Atlases have traditionally been bound into book form, but today many atlases are in multimedia formats. In addition to presenting geogra ...
of regional maps. The maps include a recapitulation of some of the values given earlier in the work, which were intended to be used as captions to clarify the map's contents and maintain their accuracy during copying.


Cartographical treatise

Maps based on scientific principles had been made in Europe since the time of
Eratosthenes Eratosthenes of Cyrene (; grc-gre, Ἐρατοσθένης ;  – ) was a Greek polymath: a mathematician, geographer, poet, astronomer, and music theorist. He was a man of learning, becoming the chief librarian at the Library of Alexandr ...
in the 3rd century BC. Ptolemy improved the treatment of
map projection In cartography, map projection is the term used to describe a broad set of transformations employed to represent the two-dimensional curved surface of a globe on a plane. In a map projection, coordinates, often expressed as latitude and l ...
s. He provided instructions on how to create his maps in the first section of the work.


Gazetteer

The gazetteer section of Ptolemy's work provided
latitude In geography, latitude is a coordinate that specifies the north– south position of a point on the surface of the Earth or another celestial body. Latitude is given as an angle that ranges from –90° at the south pole to 90° at the north ...
and
longitude Longitude (, ) is a geographic coordinate that specifies the east– west position of a point on the surface of the Earth, or another celestial body. It is an angular measurement, usually expressed in degrees and denoted by the Greek let ...
coordinate In geometry, a coordinate system is a system that uses one or more numbers, or coordinates, to uniquely determine the position of the points or other geometric elements on a manifold such as Euclidean space. The order of the coordinates is sign ...
s for all the places and geographical features in the work. Latitude was expressed in degrees of arc from the
equator The equator is a circle of latitude, about in circumference, that divides Earth into the Northern and Southern hemispheres. It is an imaginary line located at 0 degrees latitude, halfway between the North and South poles. The term can also ...
, the same system that is used now, though Ptolemy used fractions of a degree rather than minutes of arc. His
Prime Meridian A prime meridian is an arbitrary meridian (a line of longitude) in a geographic coordinate system at which longitude is defined to be 0°. Together, a prime meridian and its anti-meridian (the 180th meridian in a 360°-system) form a great ...
, of 0
longitude Longitude (, ) is a geographic coordinate that specifies the east– west position of a point on the surface of the Earth, or another celestial body. It is an angular measurement, usually expressed in degrees and denoted by the Greek let ...
, ran through the
Fortunate Isles The Fortunate Isles or Isles of the Blessed ( grc, μακάρων νῆσοι, ''makárōn nêsoi'') were semi-legendary islands in the Atlantic Ocean, variously treated as a simple geographical location and as a winterless earthly paradise inhabit ...
, the westernmost land recorded, at around the position of
El Hierro El Hierro, nicknamed ''Isla del Meridiano'' (the "Meridian Island"), is the second-smallest and farthest-south and -west of the Canary Islands (an autonomous community of Spain), in the Atlantic Ocean off the coast of Africa, with a populatio ...
in the
Canary Islands The Canary Islands (; es, :es:Canarias, Canarias, ), also known informally as the Canaries, are a Spanish Autonomous communities of Spain, autonomous community and archipelago in the Atlantic Ocean, in Macaronesia. At their closest point to ...
. The maps spanned 180 degrees of longitude from the Fortunate Isles in the
Atlantic The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe ...
to
China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's List of countries and dependencies by population, most populous country, with a Population of China, population exceeding 1.4 billion, slig ...
. Ptolemy was aware that Europe knew only about a quarter of the globe.


Atlas

Ptolemy's work included a single large and less detailed world map and then separate and more detailed regional maps. The first Greek manuscripts compiled after
Maximus Planudes Maximus Planudes ( grc-gre, Μάξιμος Πλανούδης, ''Máximos Planoúdēs''; ) was a Byzantine Greek monk, scholar, anthologist, translator, mathematician, grammarian and theologian at Constantinople. Through his translations from L ...
's rediscovery of the text had as many as 64 regional maps. The standard set in Western Europe came to be 26: 10 European maps, 4 African maps, and 12 Asian maps. As early as the 1420s, these canonical maps were complemented by extra-Ptolemaic regional maps depicting, e.g.,
Scandinavia Scandinavia; Sámi languages: /. ( ) is a subregion in Northern Europe, with strong historical, cultural, and linguistic ties between its constituent peoples. In English usage, ''Scandinavia'' most commonly refers to Denmark, Norway, and S ...
.


Image Gallery

File:PtolemyWorldMap.jpg, The Ptolemy world map, including the countries of "
Serica Serica (, grc, Σηρικά) was one of the easternmost countries of Asia known to the Ancient Greek and Roman geographers. It is generally taken as referring to North China during its Zhou, Qin, and Han dynasties, as it was reached via ...
" and "Sinae" (
Cattigara Cattigara is the name of a major port city located on the Magnus Sinus described by various antiquity sources. Modern scholars have linked Cattigara to the archaeological site of Óc Eo in present-day Vietnam. Ptolemy's description Cattigara w ...
) at the extreme right beyond the island of "Taprobane" and the " Aurea Chersonesus" .
File:Descriptio Prime Tabulae Europae.jpg, 1st Map of Europe
The islands of
Albion Albion is an alternative name for Great Britain. The oldest attestation of the toponym comes from the Greek language. It is sometimes used poetically and generally to refer to the island, but is less common than 'Britain' today. The name for Scot ...
and
Hibernia ''Hibernia'' () is the Classical Latin name for Ireland. The name ''Hibernia'' was taken from Greek geographical accounts. During his exploration of northwest Europe (c. 320 BC), Pytheas of Massalia called the island ''Iérnē'' (written ). ...
File:Ptolemys WM 003.jpg, 2nd Map of Europe
Hispania Tarraconensis Hispania Tarraconensis was one of three Roman provinces in Hispania. It encompassed much of the northern, eastern and central territories of modern Spain along with modern northern Portugal. Southern Spain, the region now called Andalusia was the ...
, Baetica, and
Lusitania Lusitania (; ) was an ancient Iberian Roman province located where modern Portugal (south of the Douro river) and a portion of western Spain (the present Extremadura and the province of Salamanca) lie. It was named after the Lusitani or Lu ...
File:Gauleptolemee1541.jpg, 3rd Map of Europe
Gallia Lugdunensis Gallia Lugdunensis (French: ''Gaule Lyonnaise'') was a province of the Roman Empire in what is now the modern country of France, part of the Celtic territory of Gaul formerly known as Celtica. It is named after its capital Lugdunum (today's Lyon) ...
,
Narbonensis Gallia Narbonensis ( Latin for "Gaul of Narbonne", from its chief settlement) was a Roman province located in what is now Languedoc and Provence, in Southern France. It was also known as Provincia Nostra ("Our Province"), because it wa ...
, and
Belgica Gallia Belgica ("Belgic Gaul") was a province of the Roman Empire located in the north-eastern part of Roman Gaul, in what is today primarily northern France, Belgium, and Luxembourg, along with parts of the Netherlands and Germany. In 50 BC, a ...
File:Map after Ptolemy's Geographia (Burney MS 111, f.28r).jpeg, 4th Map of Europe
Greater Germany and the Cimbric Peninsula File:Quinta Europa Tabula 1520.jpg, 5th Map of Europe
Rhaetia Raetia ( ; ; also spelled Rhaetia) was a province of the Roman Empire, named after the Rhaetian people. It bordered on the west with the country of the Helvetii, on the east with Noricum, on the north with Vindelicia, on the south-west with ...
, Vindelicia,
Noricum Noricum () is the Latin name for the Celtic kingdom or federation of tribes that included most of modern Austria and part of Slovenia. In the first century AD, it became a province of the Roman Empire. Its borders were the Danube to the nor ...
,
Pannonia Pannonia (, ) was a province of the Roman Empire bounded on the north and east by the Danube, coterminous westward with Noricum and upper Italy, and southward with Dalmatia and upper Moesia. Pannonia was located in the territory that is now west ...
,
Illyria In classical antiquity, Illyria (; grc, Ἰλλυρία, ''Illyría'' or , ''Illyrís''; la, Illyria, ''Illyricum'') was a region in the western part of the Balkan Peninsula inhabited by numerous tribes of people collectively known as the Illyr ...
, Liburnia, and
Dalmatia Dalmatia (; hr, Dalmacija ; it, Dalmazia; see names in other languages) is one of the four historical regions of Croatia, alongside Croatia proper, Slavonia, and Istria. Dalmatia is a narrow belt of the east shore of the Adriatic Sea, str ...
File:Ptolemy Cosmographia 1467 - Italy a.jpg, 6th Map of Europe
Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ...
and
Corsica Corsica ( , Upper , Southern ; it, Corsica; ; french: Corse ; lij, Còrsega; sc, Còssiga) is an island in the Mediterranean Sea and one of the 18 regions of France. It is the fourth-largest island in the Mediterranean and lies southeast of ...
File:Septima Europe Tabula.jpg, 7th Map of Europe
The islands of
Sardinia Sardinia ( ; it, Sardegna, label=Italian, Corsican and Tabarchino ; sc, Sardigna , sdc, Sardhigna; french: Sardaigne; sdn, Saldigna; ca, Sardenya, label= Algherese and Catalan) is the second-largest island in the Mediterranean Sea, aft ...
and
Sicily (man) it, Siciliana (woman) , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = Ethnicity , demographics1_footnotes = , demographi ...
File:Sebastian Munster - Tabvla europae VIII (Sarmatia).jpg, 8th Map of Europe
Sarmatia in Europe File:Dacia, 1620 (Münster).jpg, 9th Map of Europe
Dacia Dacia (, ; ) was the land inhabited by the Dacians, its core in Transylvania, stretching to the Danube in the south, the Black Sea in the east, and the Tisza in the west. The Carpathian Mountains were located in the middle of Dacia. It ...
,
Moesia Moesia (; Latin: ''Moesia''; el, Μοισία, Moisía) was an ancient region and later Roman province situated in the Balkans south of the Danube River, which included most of the territory of modern eastern Serbia, Kosovo, north-eastern Alban ...
, and
Thrace Thrace (; el, Θράκη, Thráki; bg, Тракия, Trakiya; tr, Trakya) or Thrake is a geographical and historical region in Southeast Europe, now split among Bulgaria, Greece, and Turkey, which is bounded by the Balkan Mountains to ...
File:Stefano Bonsignori - Hellenic peninsula- Greece, Albania, Bosnia and Bulgaria - Google Art Project.jpg, 10th Map of Europe
Macedonia,
Achaea Achaea () or Achaia (), sometimes transliterated from Greek as Akhaia (, ''Akhaïa'' ), is one of the regional units of Greece. It is part of the region of Western Greece and is situated in the northwestern part of the Peloponnese peninsula. T ...
, the
Peloponnesus The Peloponnese (), Peloponnesus (; el, Πελοπόννησος, Pelopónnēsos,(), or Morea is a peninsula and geographic region in southern Greece. It is connected to the central part of the country by the Isthmus of Corinth land bridge wh ...
, and
Crete Crete ( el, Κρήτη, translit=, Modern: , Ancient: ) is the largest and most populous of the Greek islands, the 88th largest island in the world and the fifth largest island in the Mediterranean Sea, after Sicily, Sardinia, Cyprus, ...
File:Tabula Prima Aphricae.jpg, 1st Map of Africa
Tangerine The tangerine is a type of citrus fruit that is orange in color. Its scientific name varies. It has been treated as a separate species under the name ''Citrus tangerina'' or ''Citrus'' × ''tangerina'', or treated as a variety of '' Citrus reti ...
and Caesarian Mauritania File:Ptolemy Cosmographia 1467 - North Central Africa - Mediterranean Sea.jpg, 2nd Map of Africa
Africa Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area ...
File:Tertia Africae Tabula of 1478 after Ptolemy.jpg, 3rd Map of Africa
Cyrenaica Cyrenaica ( ) or Kyrenaika ( ar, برقة, Barqah, grc-koi, Κυρηναϊκή ��παρχίαKurēnaïkḗ parkhíā}, after the city of Cyrene), is the eastern region of Libya. Cyrenaica includes all of the eastern part of Libya between ...
, Marmarica,
Libya Libya (; ar, ليبيا, Lībiyā), officially the State of Libya ( ar, دولة ليبيا, Dawlat Lībiyā), is a country in the Maghreb region in North Africa. It is bordered by the Mediterranean Sea to the north, Egypt to the east, Suda ...
,
Lower Egypt Lower Egypt ( ar, مصر السفلى '; ) is the northernmost region of Egypt, which consists of the fertile Nile Delta between Upper Egypt and the Mediterranean Sea, from El Aiyat, south of modern-day Cairo, and Dahshur. Historically, ...
, and the
Thebaid The Thebaid or Thebais ( grc-gre, Θηβαΐς, ''Thēbaïs'') was a region in ancient Egypt, comprising the 13 southernmost nomes of Upper Egypt, from Abydos to Aswan. Pharaonic history The Thebaid acquired its name from its proximity to ...
File:Quarta Africae tabula (7537883120).jpg, 4th Map of Africa
North North is one of the four compass points or cardinal directions. It is the opposite of south and is perpendicular to east and west. ''North'' is a noun, adjective, or adverb indicating direction or geography. Etymology The word ''north ...
,
West West or Occident is one of the four cardinal directions or points of the compass. It is the opposite direction from east and is the direction in which the Sun sets on the Earth. Etymology The word "west" is a Germanic word passed into some ...
,
East East or Orient is one of the four cardinal directions or points of the compass. It is the opposite direction from west and is the direction from which the Sun rises on the Earth. Etymology As in other languages, the word is formed from the fac ...
, and
Central Africa Central Africa is a subregion of the African continent comprising various countries according to different definitions. Angola, Burundi, the Central African Republic, Chad, the Democratic Republic of the Congo, the Republic of the Co ...
File:Tabula Prima de Asia.jpg, 1st Map of Asia
Bithynia and Pontus,
Asia Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an are ...
,
Lycia Lycia ( Lycian: 𐊗𐊕𐊐𐊎𐊆𐊖 ''Trm̃mis''; el, Λυκία, ; tr, Likya) was a state or nationality that flourished in Anatolia from 15–14th centuries BC (as Lukka) to 546 BC. It bordered the Mediterranean Sea in what is ...
,
Pamphylia Pamphylia (; grc, Παμφυλία, ''Pamphylía'') was a region in the south of Asia Minor, between Lycia and Cilicia, extending from the Mediterranean to Mount Taurus (all in modern-day Antalya province, Turkey). It was bounded on the north b ...
,
Galatia Galatia (; grc, Γαλατία, ''Galatía'', "Gaul") was an ancient area in the highlands of central Anatolia, roughly corresponding to the provinces of Ankara and Eskişehir, in modern Turkey. Galatia was named after the Gauls from Thrace ...
,
Cappadocia Cappadocia or Capadocia (; tr, Kapadokya), is a historical region in Central Anatolia, Turkey. It largely is in the provinces Nevşehir, Kayseri, Aksaray, Kırşehir, Sivas and Niğde. According to Herodotus, in the time of the Ionian Revo ...
,
Cilicia Cilicia (); el, Κιλικία, ''Kilikía''; Middle Persian: ''klkyʾy'' (''Klikiyā''); Parthian: ''kylkyʾ'' (''Kilikiyā''); tr, Kilikya). is a geographical region in southern Anatolia in Turkey, extending inland from the northeastern co ...
, and
Lesser Armenia Lesser Armenia ( hy, Փոքր Հայք, ''Pokr Hayk''; la, Armenia Minor, Greek: Mikre Armenia, Μικρή Αρμενία), also known as Armenia Minor and Armenia Inferior, comprised the Armenian–populated regions primarily to the west and n ...
File:Map after Ptolemy's Geographia (Burney MS 111, f.68v).jpeg, 2nd Map of Asia
Asiatic Sarmatia File:Gerard Mercator. Tabula Asiae III (Armenia, Georgia, Turkey, etc.). 1579.jpg, 3rd Map of Asia
Colchis In Greco-Roman geography, Colchis (; ) was an exonym for the Georgian polity of Egrisi ( ka, ეგრისი) located on the coast of the Black Sea, centered in present-day western Georgia. Its population, the Colchians are generally though ...
,
Iberia The Iberian Peninsula (), ** * Aragonese language, Aragonese and Occitan language, Occitan: ''Peninsula Iberica'' ** ** * french: Péninsule Ibérique * mwl, Península Eibérica * eu, Iberiar penintsula also known as Iberia, is a pe ...
,
Albania Albania ( ; sq, Shqipëri or ), or , also or . officially the Republic of Albania ( sq, Republika e Shqipërisë), is a country in Southeastern Europe. It is located on the Adriatic and Ionian Seas within the Mediterranean Sea and share ...
, and
Greater Armenia Greater Armenia ( hy, Մեծ Հայք, translit=Mets Hayk) is the name given to the Armenian state that emerged on the Armenian Highlands during the reign of King Artaxias I at the turn of the 2nd century BC. The term was used to refer prin ...
File:NLI Quarta Asie tabula.jpg, 4th Map of Asia
Cyprus Cyprus ; tr, Kıbrıs (), officially the Republic of Cyprus,, , lit: Republic of Cyprus is an island country located south of the Anatolian Peninsula in the eastern Mediterranean Sea. Its continental position is disputed; while it is ...
,
Syria Syria ( ar, سُورِيَا or سُورِيَة, translit=Sūriyā), officially the Syrian Arab Republic ( ar, الجمهورية العربية السورية, al-Jumhūrīyah al-ʻArabīyah as-Sūrīyah), is a Western Asian country loc ...
, Palestine/
Judea Judea or Judaea ( or ; from he, יהודה, Standard ''Yəhūda'', Tiberian ''Yehūḏā''; el, Ἰουδαία, ; la, Iūdaea) is an ancient, historic, Biblical Hebrew, contemporaneous Latin, and the modern-day name of the mountainous so ...
,
Arabia Petrea Arabia Petraea or Petrea, also known as Rome's Arabian Province ( la, Provincia Arabia; ar, العربية البترائية; grc, Ἐπαρχία Πετραίας Ἀραβίας) or simply Arabia, was a frontier province of the Roman Empi ...
and Deserta,
Mesopotamia Mesopotamia ''Mesopotamíā''; ar, بِلَاد ٱلرَّافِدَيْن or ; syc, ܐܪܡ ܢܗܪ̈ܝܢ, or , ) is a historical region of Western Asia situated within the Tigris–Euphrates river system, in the northern part of the ...
, and
Babylonia Babylonia (; Akkadian: , ''māt Akkadī'') was an ancient Akkadian-speaking state and cultural area based in the city of Babylon in central-southern Mesopotamia (present-day Iraq and parts of Syria). It emerged as an Amorite-ruled state c ...
File:Ptolemys Fifth Map.jpg, 5th Map of Asia
Assyria Assyria ( Neo-Assyrian cuneiform: , romanized: ''māt Aššur''; syc, ܐܬܘܪ, ʾāthor) was a major ancient Mesopotamian civilization which existed as a city-state at times controlling regional territories in the indigenous lands of the A ...
, Susiana,
Media Media may refer to: Communication * Media (communication), tools used to deliver information or data ** Advertising media, various media, content, buying and placement for advertising ** Broadcast media, communications delivered over mass e ...
,
Persia Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkmeni ...
,
Hyrcania Hyrcania () ( el, ''Hyrkania'', Old Persian: 𐎺𐎼𐎣𐎠𐎴 ''Varkâna'',Lendering (1996) Middle Persian: 𐭢𐭥𐭫𐭢𐭠𐭭 ''Gurgān'', Akkadian: ''Urqananu'') is a historical region composed of the land south-east of the Caspian ...
,
Parthia Parthia ( peo, 𐎱𐎼𐎰𐎺 ''Parθava''; xpr, 𐭐𐭓𐭕𐭅 ''Parθaw''; pal, 𐭯𐭫𐭮𐭥𐭡𐭥 ''Pahlaw'') is a historical region located in northeastern Greater Iran. It was conquered and subjugated by the empire of the Med ...
, and Carmania Deserta File:Tabula Sexta de Asia.png, 6th Map of Asia
Arabia Felix Arabia Felix (literally: Fertile/Happy Arabia; also Ancient Greek: Εὐδαίμων Ἀραβία, ''Eudaemon Arabia'') was the Latin name previously used by geographers to describe South Arabia, or what is now Yemen. Etymology The term Arabia ...
and Carmania Deserta File:Thomas Porcacchi. Tavola Settima Dell'Asia Tabula Asiae VII. Padua 1620.jpg, 7th Map of Asia
Scythia within Imaus,
Sogdiana Sogdia ( Sogdian: ) or Sogdiana was an ancient Iranian civilization between the Amu Darya and the Syr Darya, and in present-day Uzbekistan, Turkmenistan, Tajikistan, Kazakhstan, and Kyrgyzstan. Sogdiana was also a province of the Achaemenid Empi ...
, Bactriana,
Margiana Margiana ( el, ''Margianḗ'', Old Persian: ''Marguš'', Middle Persian: ''Marv'') is a historical region centred on the oasis of Merv and was a minor satrapy within the Achaemenid satrapy of Bactria, and a province within its successors, the Se ...
, and the
Sacae The Saka (Old Persian: ; Kharoṣṭhī: ; Ancient Egyptian: , ; , old , mod. , ), Shaka (Sanskrit ( Brāhmī): , , ; Sanskrit (Devanāgarī): , ), or Sacae (Ancient Greek: ; Latin: ) were a group of nomadic Iranian peoples who histori ...
File:Octava Asiae Tabula.jpg, 8th Map of Asia
Scythia beyond Imaus and
Serica Serica (, grc, Σηρικά) was one of the easternmost countries of Asia known to the Ancient Greek and Roman geographers. It is generally taken as referring to North China during its Zhou, Qin, and Han dynasties, as it was reached via ...
File:Tabula Nona dAsia.jpg, 9th Map of Asia
Ariana, Drangiana, Gedrosia,
Arachosia Arachosia () is the Hellenized name of an ancient satrapy situated in the eastern parts of the Achaemenid empire. It was centred around the valley of the Arghandab River in modern-day southern Afghanistan, and extended as far east as the In ...
, and Paropanisus File:NLI Decima Asiae Tabula.jpg, 10th Map of Asia
India within the Ganges File:Ptolemy Asia detail.jpg, 11th Map of Asia
India beyond the Ganges, the
Golden Chersonese The Golden Chersonese or Golden Khersonese ( grc, Χρυσῆ Χερσόνησος, ''Chrysḗ Chersónēsos''; la, Chersonesus Aurea), meaning the Golden Peninsula, was the name used for the Malay Peninsula by Greek and Roman geographers in c ...
, the Magnus Sinus, and the
Sinae The names of China include the many contemporary and historical appellations given in various languages for the East Asian country known as ''Zhōngguó'' (/, "middle country") in its national language, Standard Mandarin. China, the name in Engl ...
File:Map after Ptolemy's Geographia (Burney MS 111, f.1v).jpeg, 12th Map of Asia
Taprobana Taprobana ( grc, Ταπροβανᾶ) and Taprobane (, ) was the name by which the Indian Ocean island of Sri Lanka was known to the ancient Greeks. History Reports of the island's existence were known before the time of Alexander the Great ...


History


Antiquity

The original treatise by
Marinus of Tyre Marinus of Tyre ( grc-gre, Μαρῖνος ὁ Τύριος, ''Marînos ho Týrios'';  70–130) was a Greek geographer, cartographer and mathematician, who founded mathematical geography and provided the underpinnings of Claudius Ptolemy' ...
that formed the basis of Ptolemy's ''Geography'' has been completely lost. A world map based on Ptolemy was displayed in
Augustodunum Autun () is a subprefecture of the Saône-et-Loire department in the Bourgogne-Franche-Comté region of central-eastern France. It was founded during the Principate era of the early Roman Empire by Emperor Augustus as Augustodunum to give a Ro ...
(
Autun Autun () is a subprefecture of the Saône-et-Loire department in the Bourgogne-Franche-Comté region of central-eastern France. It was founded during the Principate era of the early Roman Empire by Emperor Augustus as Augustodunum to give a Ro ...
,
France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...
) in late Roman times. Pappus, writing at
Alexandria Alexandria ( or ; ar, ٱلْإِسْكَنْدَرِيَّةُ ; grc-gre, Αλεξάνδρεια, Alexándria) is the second largest city in Egypt, and the largest city on the Mediterranean coast. Founded in by Alexander the Great, Alexandri ...
in the 4th century, produced a commentary on Ptolemy's ''Geography'' and used it as the basis of his (now lost) ''Chorography of the Ecumene''. Later imperial writers and mathematicians, however, seem to have restricted themselves to commenting on Ptolemy's text, rather than improving upon it; surviving records actually show decreasing fidelity to real position. Nevertheless, Byzantine scholars continued these geographical traditions throughout the Medieval period. Whereas previous Greco-Roman geographers such as
Strabo Strabo''Strabo'' (meaning "squinty", as in strabismus) was a term employed by the Romans for anyone whose eyes were distorted or deformed. The father of Pompey was called " Pompeius Strabo". A native of Sicily so clear-sighted that he could s ...
and
Pliny the Elder Gaius Plinius Secundus (AD 23/2479), called Pliny the Elder (), was a Roman author, naturalist and natural philosopher, and naval and army commander of the early Roman Empire, and a friend of the emperor Vespasian. He wrote the encyclopedic ' ...
demonstrated a reluctance to rely on the contemporary accounts of sailors and merchants who plied distant areas of the
Indian Ocean The Indian Ocean is the third-largest of the world's five oceanic divisions, covering or ~19.8% of the water on Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia to the east. To the south it is bounded by ...
, Marinus and Ptolemy betray a much greater receptiveness to incorporating information received from them. For instance, Grant Parker argues that it would be highly implausible for them to have constructed the
Bay of Bengal The Bay of Bengal is the northeastern part of the Indian Ocean, bounded on the west and northwest by India, on the north by Bangladesh, and on the east by Myanmar and the Andaman and Nicobar Islands of India. Its southern limit is a line bet ...
as precisely as they did without the accounts of sailors. When it comes to the account of the
Golden Chersonese The Golden Chersonese or Golden Khersonese ( grc, Χρυσῆ Χερσόνησος, ''Chrysḗ Chersónēsos''; la, Chersonesus Aurea), meaning the Golden Peninsula, was the name used for the Malay Peninsula by Greek and Roman geographers in c ...
(i.e.
Malay Peninsula The Malay Peninsula ( Malay: ''Semenanjung Tanah Melayu'') is a peninsula in Mainland Southeast Asia. The landmass runs approximately north–south, and at its terminus, it is the southernmost point of the Asian continental mainland. The ar ...
) and the '' Magnus Sinus'' (i.e.
Gulf of Thailand The Gulf of Thailand, also known as the Gulf of Siam, is a shallow inlet in the southwestern South China Sea, bounded between the southwestern shores of the Indochinese Peninsula and the northern half of the Malay Peninsula. It is around in le ...
and
South China Sea The South China Sea is a marginal sea of the Western Pacific Ocean. It is bounded in the north by the shores of South China (hence the name), in the west by the Indochinese Peninsula, in the east by the islands of Taiwan and northwestern Ph ...
), Marinus and Ptolemy relied on the testimony of a Greek sailor named Alexandros, who claimed to have visited a far eastern site called "
Cattigara Cattigara is the name of a major port city located on the Magnus Sinus described by various antiquity sources. Modern scholars have linked Cattigara to the archaeological site of Óc Eo in present-day Vietnam. Ptolemy's description Cattigara w ...
" (most likely Oc Eo,
Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making ...
, the site of unearthed Antonine-era Roman goods and not far from the region of
Jiaozhi Jiaozhi (standard Chinese, pinyin: ''Jiāozhǐ''), or Giao Chỉ (Vietnamese), was a historical region ruled by various Chinese dynasties, corresponding to present-day northern Vietnam. The kingdom of Nanyue (204–111 BC) set up the Jiaozhi Co ...
in northern Vietnam where ancient Chinese sources claim several Roman embassies first landed in the 2nd and 3rd centuries).


Medieval Islam

Muslim cartographers were using copies of Ptolemy's ''
Almagest The ''Almagest'' is a 2nd-century Greek-language mathematical and astronomical treatise on the apparent motions of the stars and planetary paths, written by Claudius Ptolemy ( ). One of the most influential scientific texts in history, it can ...
'' and ''Geography'' by the 9th century. At that time, in the court of the
caliph A caliphate or khilāfah ( ar, خِلَافَة, ) is an institution or public office under the leadership of an Islamic steward with the title of caliph (; ar, خَلِيفَة , ), a person considered a political-religious successor to th ...
al-Maʾmūm,
al-Khwārazmī Muḥammad ibn Mūsā al-Khwārizmī ( ar, محمد بن موسى الخوارزمي, Muḥammad ibn Musā al-Khwārazmi; ), or al-Khwarizmi, was a Persian polymath from Khwarazm, who produced vastly influential works in mathematics, astronom ...
compiled his '' Book of the Depiction of the Earth'' which mimicked the ''Geography'' in providing the coordinates for 545 cities and regional maps of the
Nile The Nile, , Bohairic , lg, Kiira , Nobiin: Áman Dawū is a major north-flowing river in northeastern Africa. It flows into the Mediterranean Sea. The Nile is the longest river in Africa and has historically been considered the longest riv ...
, the Island of the Jewel, the Sea of Darkness, and the
Sea of Azov The Sea of Azov ( Crimean Tatar: ''Azaq deñizi''; russian: Азовское море, Azovskoye more; uk, Азовське море, Azovs'ke more) is a sea in Eastern Europe connected to the Black Sea by the narrow (about ) Strait of Ker ...
. A 1037 copy of these are the earliest extant maps from Islamic lands. The text clearly states that al-Khwārazmī was working from an earlier map, although this could not have been an exact copy of Ptolemy's work: his
Prime Meridian A prime meridian is an arbitrary meridian (a line of longitude) in a geographic coordinate system at which longitude is defined to be 0°. Together, a prime meridian and its anti-meridian (the 180th meridian in a 360°-system) form a great ...
was 10° east of Ptolemy's, he adds some places, and his latitudes differ.
C.A. Nallino Carlo Alfonso Nallino (18 February 1872 – 25 July 1938) was an Italian orientalist. Biography Nallino was born in Turin, and studied literature under Italo Pizzi at the University of Turin. From 1896 he taught in the Istituto Universit ...
suggests that the work was not based on Ptolemy but on a derivative world map, presumably in Syriac or
Arabic Arabic (, ' ; , ' or ) is a Semitic language spoken primarily across the Arab world.Semitic languages: an international handbook / edited by Stefan Weninger; in collaboration with Geoffrey Khan, Michael P. Streck, Janet C. E.Watson; Walter ...
. The coloured map of al-Maʾmūm constructed by a team including al-Khwārazmī was described by the Persian encyclopædist al-Masʿūdī around 956 as superior to the maps of Marinus and Ptolemy, probably indicating that it was built along similar mathematical principles. It included 4530 cities and over 200 mountains. Despite beginning to compile numerous gazetteers of places and coordinates indebted to Ptolemy, Muslim scholars made almost no direct use of Ptolemy's principles in the maps which have survived. Instead, they followed al-Khwārazmī's modifications and the
orthogonal projection In linear algebra and functional analysis, a projection is a linear transformation P from a vector space to itself (an endomorphism) such that P\circ P=P. That is, whenever P is applied twice to any vector, it gives the same result as if it wer ...
advocated by Suhrāb's early 10th-century treatise on the ''Marvels of the Seven Climes to the End of Habitation''. Surviving maps from the medieval period were not done according to mathematical principles. The world map from the 11th-century ''Book of Curiosities'' is the earliest surviving map of the
Muslim Muslims ( ar, المسلمون, , ) are people who adhere to Islam, a monotheistic religion belonging to the Abrahamic tradition. They consider the Quran, the foundational religious text of Islam, to be the verbatim word of the God of Abrah ...
or
Christian Christians () are people who follow or adhere to Christianity, a monotheistic Abrahamic religion based on the life and teachings of Jesus Christ. The words ''Christ'' and ''Christian'' derive from the Koine Greek title ''Christós'' (Χρι� ...
worlds to include a
geographic coordinate system The geographic coordinate system (GCS) is a spherical or ellipsoidal coordinate system for measuring and communicating positions directly on the Earth as latitude and longitude. It is the simplest, oldest and most widely used of the various ...
but the copyist seems to have not understood its purpose, starting it from the left using twice the intended scale and then (apparently realizing his mistake) giving up halfway through. Its presence does strongly suggest the existence of earlier, now-lost maps which had been mathematically derived in the manner of Ptolemy, al-Khwārazmi, or Suhrāb. There are surviving reports of such maps. Ptolemy's ''Geography'' was translated from
Arabic Arabic (, ' ; , ' or ) is a Semitic language spoken primarily across the Arab world.Semitic languages: an international handbook / edited by Stefan Weninger; in collaboration with Geoffrey Khan, Michael P. Streck, Janet C. E.Watson; Walter ...
into
Latin Latin (, or , ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through ...
at the court of King
Roger II of Sicily Roger II ( it, Ruggero II; 22 December 1095 – 26 February 1154) was King of Sicily and Africa, son of Roger I of Sicily and successor to his brother Simon. He began his rule as Count of Sicily in 1105, became Duke of Apulia and Calabria i ...
in the 12th century AD. However, no copy of that translation has survived.


Renaissance

The Greek text of the ''Geography'' reached
Florence Florence ( ; it, Firenze ) is a city in Central Italy and the capital city of the Tuscany region. It is the most populated city in Tuscany, with 383,083 inhabitants in 2016, and over 1,520,000 in its metropolitan area.Bilancio demografico ...
from
Constantinople la, Constantinopolis ota, قسطنطينيه , alternate_name = Byzantion (earlier Greek name), Nova Roma ("New Rome"), Miklagard/Miklagarth (Old Norse), Tsargrad ( Slavic), Qustantiniya (Arabic), Basileuousa ("Queen of Cities"), Megalopolis (" ...
in about 1400 and was translated into Latin by
Jacobus Angelus Giacomo or Jacopo d'Angelo ( 1360–1411), better known by his Latin name Jacobus Angelus, was an Italian classical scholar, humanist, and translator of ancient Greek texts during the Renaissance. Named for the village of Scarperia in the Mugell ...
of Scarperia around 1406. The first printed edition with maps, published in 1477 in
Bologna Bologna (, , ; egl, label= Emilian, Bulåggna ; lat, Bononia) is the capital and largest city of the Emilia-Romagna region in Northern Italy. It is the seventh most populous city in Italy with about 400,000 inhabitants and 150 different na ...
, was also the first printed book with engraved illustrations. Many editions followed (more often using
woodcut Woodcut is a relief printing technique in printmaking. An artist carves an image into the surface of a block of wood—typically with gouges—leaving the printing parts level with the surface while removing the non-printing parts. Areas tha ...
in the early days), some following traditional versions of the maps, and others updating them. An edition printed at
Ulm Ulm () is a city in the German state of Baden-Württemberg, situated on the river Danube on the border with Bavaria. The city, which has an estimated population of more than 126,000 (2018), forms an urban district of its own (german: link=no, ...
in 1482 was the first one printed north of the
Alps The Alps () ; german: Alpen ; it, Alpi ; rm, Alps ; sl, Alpe . are the highest and most extensive mountain range system that lies entirely in Europe, stretching approximately across seven Alpine countries (from west to east): France, Sw ...
. Also in 1482,
Francesco Berlinghieri Francesco Berlinghieri (1440–1501) was an Italian scholar and humanist who lived during the fifteenth century. He promoted the value of classical Greek learning and was one of the first to print a text based on Ptolemy's ''Geographica''. Ber ...
printed the first edition in vernacular Italian. Ptolemy had mapped the whole world from the ''Fortunatae Insulae'' (
Cape Verde , national_anthem = () , official_languages = Portuguese , national_languages = Cape Verdean Creole , capital = Praia , coordinates = , largest_city = capital , demonym ...
or
Canary Islands The Canary Islands (; es, :es:Canarias, Canarias, ), also known informally as the Canaries, are a Spanish Autonomous communities of Spain, autonomous community and archipelago in the Atlantic Ocean, in Macaronesia. At their closest point to ...
) eastward to the eastern shore of the ''Magnus Sinus''. This known portion of the world was comprised within 180 degrees. In his extreme east Ptolemy placed ''Serica'' (the Land of Silk), the ''Sinarum Situs'' (the Port of the
Sinae The names of China include the many contemporary and historical appellations given in various languages for the East Asian country known as ''Zhōngguó'' (/, "middle country") in its national language, Standard Mandarin. China, the name in Engl ...
), and the emporium of ''
Cattigara Cattigara is the name of a major port city located on the Magnus Sinus described by various antiquity sources. Modern scholars have linked Cattigara to the archaeological site of Óc Eo in present-day Vietnam. Ptolemy's description Cattigara w ...
''. On the 1489 map of the world by Henricus Martellus, which was based on Ptolemy's work, Asia terminated in its southeastern point in a cape, the Cape of Cattigara. Cattigara was understood by Ptolemy to be a port on the ''Sinus Magnus,'' or Great Gulf, the actual Gulf of Thailand, at eight and a half degrees north of the Equator, on the coast of Cambodia, which is where he located it in his ''Canon of Famous Cities''. It was the easternmost port reached by shipping trading from the Graeco-Roman world to the lands of the Far East. In Ptolemy's later and better-known ''Geography'', a scribal error was made and Cattigara was located at eight and a half degrees South of the Equator. On Ptolemaic maps, such as that of Martellus, ''Catigara'' was located on the easternmost shore of the ''Mare Indicum,'' 180 degrees East of the Cape St Vincent at, due to the scribal error, eight and a half degrees South of the Equator. ''Catigara'' is also shown at this location on Martin Waldseemüller's 1507 world map, which avowedly followed the tradition of Ptolemy. Ptolemy's information was thereby misinterpreted so that the coast of China, which should have been represented as part of the coast of eastern Asia, was falsely made to represent an eastern shore of the Indian Ocean. As a result, Ptolemy implied more land east of the 180th meridian and an ocean beyond.
Marco Polo Marco Polo (, , ; 8 January 1324) was a Venetian merchant, explorer and writer who travelled through Asia along the Silk Road between 1271 and 1295. His travels are recorded in '' The Travels of Marco Polo'' (also known as ''Book of the Marv ...
’s account of his travels in eastern Asia described lands and seaports on an eastern ocean apparently unknown to Ptolemy. Marco Polo’s narrative authorized the extensive additions to the Ptolemaic map shown on the 1492 globe of
Martin Behaim Martin Behaim (6 October 1459 – 29 July 1507), also known as and by various forms of , was a German textile merchant and cartographer. He served John II of Portugal as an adviser in matters of navigation and participated in a voyage to W ...
. The fact that Ptolemy did not represent an eastern coast of Asia made it admissible for Behaim to extend that continent far to the east. Behaim’s globe placed Marco Polo’s Mangi and
Cathay Cathay (; ) is a historical name for China that was used in Europe. During the early modern period, the term ''Cathay'' initially evolved as a term referring to what is now Northern China, completely separate and distinct from China, which ...
east of Ptolemy’s 180th meridian, and the Great Khan’s capital, ''Cambaluc'' (
Beijing } Beijing ( ; ; ), Chinese postal romanization, alternatively romanized as Peking ( ), is the Capital city, capital of the China, People's Republic of China. It is the center of power and development of the country. Beijing is the world's Li ...
), on the 41st parallel of latitude at approximately 233 degrees East. Behaim allowed 60 degrees beyond Ptolemy’s 180 degrees for the mainland of Asia and 30 degrees more to the east coast of ''
Cipangu The word ''Japan'' is an exonym, and is used (in one form or another) by many languages. The Japanese names for Japan are Nippon () and Nihon (). They are both written in Japanese using the kanji . During the third-century CE Three Kingdoms peri ...
'' (Japan). Cipangu and the mainland of Asia were thus placed only 90 and 120 degrees, respectively, west of the Canary Islands. The Codex Seragliensis was used as the base of a new edition of the work in 2006. This new edition was used to "decode" Ptolemy's coordinates of Books 2 and 3 by an interdisciplinary team of TU Berlin, presented in publications in 2010 and 2012.


Influence on Christopher Columbus

Christopher Columbus Christopher Columbus * lij, Cristoffa C(or)ombo * es, link=no, Cristóbal Colón * pt, Cristóvão Colombo * ca, Cristòfor (or ) * la, Christophorus Columbus. (; born between 25 August and 31 October 1451, died 20 May 1506) was a ...
modified this geography further by using 53⅔ Italian nautical miles as the length of a degree instead of the longer degree of Ptolemy, and by adopting
Marinus of Tyre Marinus of Tyre ( grc-gre, Μαρῖνος ὁ Τύριος, ''Marînos ho Týrios'';  70–130) was a Greek geographer, cartographer and mathematician, who founded mathematical geography and provided the underpinnings of Claudius Ptolemy' ...
’s longitude of 225 degrees for the east coast of the '' Magnus Sinus''. This resulted in a considerable eastward advancement of the longitudes given by
Martin Behaim Martin Behaim (6 October 1459 – 29 July 1507), also known as and by various forms of , was a German textile merchant and cartographer. He served John II of Portugal as an adviser in matters of navigation and participated in a voyage to W ...
and other contemporaries of Columbus. By some process Columbus reasoned that the longitudes of
eastern Asia East Asia is the eastern region of Asia, which is defined in both geographical and ethno-cultural terms. The modern states of East Asia include China, Japan, Mongolia, North Korea, South Korea, and Taiwan. China, North Korea, South Korea ...
and
Cipangu The word ''Japan'' is an exonym, and is used (in one form or another) by many languages. The Japanese names for Japan are Nippon () and Nihon (). They are both written in Japanese using the kanji . During the third-century CE Three Kingdoms peri ...
respectively were about 270 and 300 degrees east, or 90 and 60 degrees west of the
Canary Islands The Canary Islands (; es, :es:Canarias, Canarias, ), also known informally as the Canaries, are a Spanish Autonomous communities of Spain, autonomous community and archipelago in the Atlantic Ocean, in Macaronesia. At their closest point to ...
. He said that he had sailed 1100 leagues from the Canaries when he found
Cuba Cuba ( , ), officially the Republic of Cuba ( es, República de Cuba, links=no ), is an island country comprising the island of Cuba, as well as Isla de la Juventud and several minor archipelagos. Cuba is located where the northern Caribb ...
in 1492. This was approximately where he thought the coast of eastern Asia would be found. On this basis of calculation he identified
Hispaniola Hispaniola (, also ; es, La Española; Latin and french: Hispaniola; ht, Ispayola; tnq, Ayiti or Quisqueya) is an island in the Caribbean that is part of the Greater Antilles. Hispaniola is the most populous island in the West Indies, and th ...
with Cipangu, which he had expected to find on the outward voyage at a distance of about 700 leagues from the Canaries. His later voyages resulted in further exploration of Cuba and in the discovery of
South South is one of the cardinal directions or compass points. The direction is the opposite of north and is perpendicular to both east and west. Etymology The word ''south'' comes from Old English ''sūþ'', from earlier Proto-Germanic ''*sunþa ...
and
Central America Central America ( es, América Central or ) is a subregion of the Americas. Its boundaries are defined as bordering the United States to the north, Colombia to the south, the Caribbean Sea to the east, and the Pacific Ocean to the west. ...
. At first South America, the ''Mundus Novus'' (
New World The term ''New World'' is often used to mean the majority of Earth's Western Hemisphere, specifically the Americas."America." ''The Oxford Companion to the English Language'' (). McArthur, Tom, ed., 1992. New York: Oxford University Press, p. ...
) was considered to be a great island of continental proportions; but as a result of his fourth voyage, it was apparently considered to be identical with the great Upper India peninsula ( India Superior) represented by Behaim – the Cape of Cattigara. This seems to be the best interpretation of the sketch map made by Alessandro Zorzi on the advice of
Bartholomew Columbus Bartholomew Columbus ( lij, label= Genoese, Bertomê Corombo; pt, Bartolomeu Colombo; es, Bartolomé Colón; it, Bartolomeo Colombo; – 1515) was an Italian explorer from Genoa and the younger brother of Christopher Columbus. Biography Bo ...
(Christopher's brother) around 1506, which bears an inscription saying that according to the ancient geographer Marinus of Tyre and Christopher Columbus the distance from Cape St Vincent on the coast of Portugal to Cattigara on the peninsula of India Superior was 225 degrees, while according to Ptolemy the same distance was 180 degrees.


Early modern Ottoman Empire

Prior to the 16th century, knowledge of geography in the
Ottoman Empire The Ottoman Empire, * ; is an archaic version. The definite article forms and were synonymous * and el, Оθωμανική Αυτοκρατορία, Othōmanikē Avtokratoria, label=none * info page on book at Martin Luther University ...
was limited in scope, with almost no access to the works of earlier Islamic scholars that superseded Ptolemy. His ''Geography'' would again be translated and updated with commentary into Arabic under
Mehmed II Mehmed II ( ota, محمد ثانى, translit=Meḥmed-i s̱ānī; tr, II. Mehmed, ; 30 March 14323 May 1481), commonly known as Mehmed the Conqueror ( ota, ابو الفتح, Ebū'l-fetḥ, lit=the Father of Conquest, links=no; tr, Fâtih Su ...
, who commissioned works from Byzantine scholar George Amiroutzes in 1465 and the Florentine humanist
Francesco Berlinghieri Francesco Berlinghieri (1440–1501) was an Italian scholar and humanist who lived during the fifteenth century. He promoted the value of classical Greek learning and was one of the first to print a text based on Ptolemy's ''Geographica''. Ber ...
in 1481.


Longitudes error and Earth size

There are two related errors: * Considering a sample of 80 cities amongst the 6345 listed by Ptolemy, those that are both identifiable and for which we can expect a better distance measurement since they were well known, there is a systematic overestimation of the longitude by a factor 1.428 with a high confidence (coefficient of determination r² = 0.9935). This error produces evident deformations in Ptolemy's world map most apparent for example in the profile of
Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ...
, which is markedly stretched horizontally. * Ptolemy accepted that the known
Ecumene The ecumene ( US spelling) or oecumene ( UK spelling; grc-gre, οἰκουμένη, oikouménē, inhabited) is an ancient Greek term for the known, the inhabited, or the habitable world. In Greek antiquity, it referred to the portions of the worl ...
spanned 180° of longitude, but instead of accepting
Eratosthenes Eratosthenes of Cyrene (; grc-gre, Ἐρατοσθένης ;  – ) was a Greek polymath: a mathematician, geographer, poet, astronomer, and music theorist. He was a man of learning, becoming the chief librarian at the Library of Alexandr ...
's estimate for the circumference of the
Earth Earth is the third planet from the Sun and the only astronomical object known to harbor life. While large volumes of water can be found throughout the Solar System, only Earth sustains liquid surface water. About 71% of Earth's sur ...
of 252,000 stadia, he shrinks it to 180,000 stadia, with a factor of 1.4 between the two figures. This suggests Ptolemy rescaled his longitude data to fit with a figure of 180,000 stadia for the circumference of the earth, which he described as a "general consensus". Ptolemy rescaled experimentally obtained data in many of his works on geography, astrology, music, and optics.


Gallery

File:Codex Seragliensis GI 57, fol. 33v.jpg, Codex Seragliensis GI 57, fol. 33v File:Ptolemaios 1467 Scandinavia.jpg, Scandinavia in the Zamoyski Codex () File:Servet Ptolomei geographicae enarrationis.jpg, 1535 printed edition, title page File:Claudii Ptolemaei geographia, 1843, vol1.djvu, page=7, 19th-century print in Greek (3 volumes) File:Prima Europe tabula.jpg, ''Prima Europe tabula'' One of the earliest surviving copies of Ptolemy's 2nd-century map of Great Britain and Ireland. 2nd edition, 1482. File:Sebastian Munster, Tabula Sarmatiae.jpg, Sebastian Munster, Tabula Sarmatiae, 1571, (Ukraine) File:Eastern Europe. Sebastian Munster, Tabula Sarmatiae, from Strabonis Rerum Geographicarum, 1571 REVERCE.jpg, Sebastian Munster, Tabula Sarmatiae, 1571, reverse, (Ukraine) File:Карта Птолемея - Сараматія Мюнстер 1571.jpg, Sebastian Munster, Tabula Sarmatiae, 1571, illuminated map's paper (Ukraine)


See also

* ''
Almagest The ''Almagest'' is a 2nd-century Greek-language mathematical and astronomical treatise on the apparent motions of the stars and planetary paths, written by Claudius Ptolemy ( ). One of the most influential scientific texts in history, it can ...
'', Ptolemy's astronomical work * ''
Bibliotheca historica ''Bibliotheca historica'' ( grc, Βιβλιοθήκη Ἱστορική, ) is a work of universal history by Diodorus Siculus. It consisted of forty books, which were divided into three sections. The first six books are geographical in theme, ...
'' *
Diodorus Siculus Diodorus Siculus, or Diodorus of Sicily ( grc-gre, Διόδωρος ;  1st century BC), was an ancient Greek historian. He is known for writing the monumental universal history '' Bibliotheca historica'', in forty books, fifteen of which ...
* Geography and cartography in medieval Islam *
Strabo Strabo''Strabo'' (meaning "squinty", as in strabismus) was a term employed by the Romans for anyone whose eyes were distorted or deformed. The father of Pompey was called " Pompeius Strabo". A native of Sicily so clear-sighted that he could s ...
* List of most expensive books and manuscripts


Notes


Citations


References

* . * . * * . * . * . * . * . * * . * . * * . * . * . * . * . * . * *


Further reading

*Berggren, J. Lennart and Jones, Alexander. 2000. ''Ptolemy's'' Geography: ''An Annotated Translation of the Theoretical Chapters''. Princeton University Press. Princeton and Oxford. . * Blažek, Václav. "Etymological Analysis of Toponyms from Ptolemy's Description of Central Europe". In: ''Studia Celto-Slavica'' 3 (2010): 21–45. DOI: https://doi.org/10.54586/GTQF3679. * Blažek, Václav. "The North-Eastern Border of the Celtic World". In: ''Studia Celto-Slavica'' 8 (2018): 7–21. DOI: https://doi.org/10.54586/ZMEE3109. *Cosgrove, Dennis. 2003. ''Apollo's Eye: A Cartographic Genealogy of the Earth in the Western Imagination''. Johns Hopkins University Press. Baltimore and London. *Gautier Dalché, Patrick. 2009. ''La Géographie de Ptolémée en Occident (IVe-XVIe siècle)''. Terratum Orbis. Turnhout. Brepols, . *Shalev, Zur, and Charles Burnett, eds. 2011. ''Ptolemy's'' Geography ''in the Renaissance''. London; Turin. Warburg Institute; Nino Aragno. (In Appendix: Latin text of Jacopo Angeli's introduction to his translation of the ''Geography'', with English translation by C. Burnett.) *Stevenson, Edward Luther. Trans. and ed. 1932. ''Claudius Ptolemy: The Geography''. New York Public Library. Reprint: Dover, 1991. This is the only complete English translation of Ptolemy's most famous work. Unfortunately, it is marred by numerous mistakes (see Diller) and the place names are given in Latinised forms, rather than in the original Greek. *


External links


Primary sources

;Greek *
Claudii Ptolemaei Geographia, ed. Karl Friedrich August Nobbe, Sumptibus et typis Caroli Tauchnitii, 1843, tom. I
(books 1-4, missing p. 126)
1845, tom. II
(books 5-8)
1845, tom. III
(indices). ;Latin *
La Cosmographie de Claude Ptolemée
Latin manuscript copied around 1411 *
''Geography''
digitized codex made in Italy between 1460 and 1477, translated to Latin by
Jacobus Angelus Giacomo or Jacopo d'Angelo ( 1360–1411), better known by his Latin name Jacobus Angelus, was an Italian classical scholar, humanist, and translator of ancient Greek texts during the Renaissance. Named for the village of Scarperia in the Mugell ...
a
Somni
Also known as ''codex valentinus'', it is the oldest manuscript of the codices with maps of Ptolemy with the donis projections. *
"Cosmographia"
/ Claudius Ptolemaeus. Translated into Latin by
Jacobus Angelus Giacomo or Jacopo d'Angelo ( 1360–1411), better known by his Latin name Jacobus Angelus, was an Italian classical scholar, humanist, and translator of ancient Greek texts during the Renaissance. Named for the village of Scarperia in the Mugell ...
, and edited by Nicolaus Germanus. - Ulm : Lienhart Holle. - 1482. (In the National Library of Finland.) *
''Geographia Universalis''
Basileae apud Henricum Petrum mense Martio anno M. D. XL.
f Basel, printed by Henricus Petrus in the month of March in the year 1540 F, or f, is the sixth letter in the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is ''ef'' (pronounced ), and the plural is ''efs''. Hist ...
*
''Geographia Cl. Ptolemaei Alexandrini''
Venetiis : apud Vincentium Valgrisium, Venezia, 1562. ;Italian *
''Geografia cioè descrittione vniuersale della terra partita in due volumi...''
In Venetia : appresso Gio. Battista et Giorgio Galignani fratelli, 1598. *
''Geografia di Claudio Tolomeo alessandrino''
In Venetia : appresso gli heredi di Melchior Sessa, 1599. ;English

(English translation)

(English translation)

* ttp://topostext.org/work.php?work_id=209 ''Geography'' Books 2.10-6.11 in English with most Greece-related places geolocated, by
John Brady Kiesling John Brady Kiesling is a former U.S. diplomat and the author of ''Diplomacy Lessons: Realism for an Unloved Superpower'' (Potomac Books, 2006) and the ToposText classics/archaeology mobile application. Diplomat An archaeologist/ancient historian ...
a
ToposText

in Russian/English
Map of οἰκουμένη, by Gusev etc.


Secondary material