Aliakmon River
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The Haliacmon (, ''Aliákmonas''; formerly: , ''Aliákmon'' or ''Haliákmōn'') is the longest river flowing entirely in
Greece Greece, officially the Hellenic Republic, is a country in Southeast Europe. Located on the southern tip of the Balkan peninsula, it shares land borders with Albania to the northwest, North Macedonia and Bulgaria to the north, and Turkey to th ...
, with a total length of . In Greece there are three rivers longer than Haliacmon:
Maritsa Maritsa or Maritza ( ), also known as Evros ( ) and Meriç ( ), is a river that runs through the Balkans in Southeast Europe. With a length of ,
(), Struma (Strymónas), both coming from
Bulgaria Bulgaria, officially the Republic of Bulgaria, is a country in Southeast Europe. It is situated on the eastern portion of the Balkans directly south of the Danube river and west of the Black Sea. Bulgaria is bordered by Greece and Turkey t ...
, and
Vardar The Vardar (; , , ) or Axios (, ) is the longest river in North Macedonia and a major river in Greece, where it reaches the Aegean Sea at Thessaloniki. It is long, out of which are in Greece, and drains an area of around . The maximum depth of ...
() coming from
North Macedonia North Macedonia, officially the Republic of North Macedonia, is a landlocked country in Southeast Europe. It shares land borders with Greece to the south, Albania to the west, Bulgaria to the east, Kosovo to the northwest and Serbia to the n ...
, but the length of each one of them in Greek territory is less than that of Haliacmon, which flows entirely in Greece. ''Haliacmon'' is the traditional English name for the river, but many sources cite the formerly official
Katharevousa Katharevousa (, , literally "purifying anguage) is a conservative form of the Modern Greek language conceived in the late 18th century as both a literary language and a compromise between Ancient Greek and the contemporary vernacular, Demotic ...
version of the name, ''Aliákmon''. Today, the only
official An official is someone who holds an office (function or Mandate (politics), mandate, regardless of whether it carries an actual Office, working space with it) in an organization or government and participates in the exercise of authority (eithe ...
variant is the
demotic Demotic may refer to: * Demotic Greek, the modern vernacular form of the Greek language * Demotic (Egyptian), an ancient Egyptian script and version of the language * Chữ Nôm Chữ Nôm (, ) is a logographic writing system formerly used t ...
''Aliákmonas''. It flows through the Greek
regions In geography, regions, otherwise referred to as areas, zones, lands or territories, are portions of the Earth's surface that are broadly divided by physical characteristics (physical geography), human impact characteristics (human geography), and ...
of
West Macedonia Western Macedonia (, ) is one of the thirteen administrative regions of Greece, consisting of the western part of Macedonia. Located in north-western Greece, it is divided into the regional units of Florina, Grevena, Kastoria, and Kozani. Wi ...
(
Kastoria Kastoria (, ''Kastoriá'' ) is a city in northern Greece in the modern regions of Greece, region of Western Macedonia. It is the capital of Kastoria (regional unit), Kastoria regional unit, in the Geographic regions of Greece, geographic region ...
,
Grevena Grevena (, ''Grevená'' ; ) is a town and Communities and Municipalities of Greece, municipality in Western Macedonia, northern Greece, capital of the Grevena (regional unit), Grevena regional unit. The town's current population is 12,515 citizen ...
and
Kozani Kozani (, ) is a town in northern Greece, capital of Kozani (regional unit), Kozani regional unit and of Western Macedonia. It is located in the western part of Macedonia (Greece), Macedonia, in the northern part of the Aliakmonas, Aliakmonas riv ...
regional units) and
Central Macedonia Central Macedonia ( ; , ) is one of the thirteen Regions of Greece, administrative regions of Greece, consisting the central part of the Geographic regions of Greece, geographical and historical region of Macedonia (Greece), Macedonia. With a ...
(
Imathia Imathia ( ) is one of the regional units of Greece. It is part of the modern regions of Greece, region of Central Macedonia, within the geographic regions of Greece, geographic region of Macedonia (Greece), Macedonia. The capital of Imathia is the ...
and Pieria regional units). Its
drainage basin A drainage basin is an area of land in which all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, ...
is .


Name

The
Latin Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...
name is derived from
Ancient Greek Ancient Greek (, ; ) includes the forms of the Greek language used in ancient Greece and the classical antiquity, ancient world from around 1500 BC to 300 BC. It is often roughly divided into the following periods: Mycenaean Greek (), Greek ...
, a composite derived from (salt, sea) and (anvil). In
Greek mythology Greek mythology is the body of myths originally told by the Ancient Greece, ancient Greeks, and a genre of ancient Greek folklore, today absorbed alongside Roman mythology into the broader designation of classical mythology. These stories conc ...
,
Haliacmon The Haliacmon (, ''Aliákmonas''; formerly: , ''Aliákmon'' or ''Haliákmōn'') is the longest river flowing entirely in Greece, with a total length of . In Greece there are three rivers longer than Haliacmon: Maritsa (), Struma (Strymónas), bot ...
was one of the
river gods A water deity is a deity in mythology associated with water or various bodies of water. Water deities are common in mythology and were usually more important among civilizations in which the sea or ocean, or a great river was more important. Anoth ...
, who were sons of
Oceanus In Greek mythology, Oceanus ( ; , also , , or ) was a Titans, Titan son of Uranus (mythology), Uranus and Gaia, the husband of his sister the Titan Tethys (mythology), Tethys, and the father of the River gods (Greek mythology), river gods ...
and Tethys, according to the allegorical obsessive-anthropomorphic concept familiar to the
Ancient Greeks Ancient Greece () was a northeastern Mediterranean civilization, existing from the Greek Dark Ages of the 12th–9th centuries BC to the end of classical antiquity (), that comprised a loose collection of culturally and linguistically re ...
, on geological upheaval after Deucalion's deluge. An ancient tradition says that sheep that drank water from Haliacmon would turn their colour to white. This tradition is confirmed by the following record of the Roman author
Pliny the Elder Gaius Plinius Secundus (AD 23/24 79), known in English as Pliny the Elder ( ), was a Roman Empire, Roman author, Natural history, naturalist, and naval and army commander of the early Roman Empire, and a friend of the Roman emperor, emperor Vesp ...
(23-79 AD) : ''Similarly in Macedonia, those who want their sheep to be white go to Haliacmon, while those (who want them to be) black (go) to Axios (
Vardar The Vardar (; , , ) or Axios (, ) is the longest river in North Macedonia and a major river in Greece, where it reaches the Aegean Sea at Thessaloniki. It is long, out of which are in Greece, and drains an area of around . The maximum depth of ...
)''. Ottoman Turks called the river Ince-Karasu (narrow-black water), a name still used in
Turkey Turkey, officially the Republic of Türkiye, is a country mainly located in Anatolia in West Asia, with a relatively small part called East Thrace in Southeast Europe. It borders the Black Sea to the north; Georgia (country), Georgia, Armen ...
. The
Eastern South Slavic The Eastern South Slavic dialects form the eastern subgroup of the South Slavic languages. They are spoken mostly in Bulgaria and North Macedonia, and adjacent areas in the neighbouring countries. They form the so-called Balkan Slavic linguistic ...
name is Бистрица, ''Bistritsa'' (Бистрица, from
Proto-Slavic Proto-Slavic (abbreviated PSl., PS.; also called Common Slavic or Common Slavonic) is the unattested, reconstructed proto-language of all Slavic languages. It represents Slavic speech approximately from the 2nd millennium BC through the 6th ...
*-bystr, meaning "clear, lucid, limpid") which is still in use in Bulgaria and North Macedonia.A History of the Crusades, Volume IV The Art and Architecture of the Crusader States, Kenneth M. Setton, Harry W. Hazard, Edition: University of Wisconsin Press, 1977
, p.368.


Course and tributaries

Before the construction of its diversion dam near the village of Aghia Varvara in the mid-1950s, Haliacmon had no permanent river bed in its lowland course. It often flooded and formed extensive
marsh In ecology, a marsh is a wetland that is dominated by herbaceous plants rather than by woody plants.Keddy, P.A. 2010. Wetland Ecology: Principles and Conservation (2nd edition). Cambridge University Press, Cambridge, UK. 497 p More in genera ...
es. Its devastating fury in December 1935 remains fresh in memory of the elder inhabitants of the region (
Veria Veria (; ), officially transliterated Veroia, historically also spelled Beroea or Berea, is a city in Central Macedonia, in the geographic region of Macedonia, northern Greece, capital of the regional unit of Imathia. It is located north-nor ...
and Alexandreia). The Haliacmon rises in the Gramos mountains in northern Greece, near the border with
Albania Albania ( ; or ), officially the Republic of Albania (), is a country in Southeast Europe. It is located in the Balkans, on the Adriatic Sea, Adriatic and Ionian Seas within the Mediterranean Sea, and shares land borders with Montenegro to ...
. In its upper course it flows generally towards the east, and turns southeast near
Kastoria Kastoria (, ''Kastoriá'' ) is a city in northern Greece in the modern regions of Greece, region of Western Macedonia. It is the capital of Kastoria (regional unit), Kastoria regional unit, in the Geographic regions of Greece, geographic region ...
. It describes a wide curve around the
Vourinos Vourinos () is a mountain range covering the eastern Grevena (regional unit), Grevena and southern Kozani (regional unit), Kozani regional units of Greece, regional units in Greece. Its highest elevation is . Its length is approximately from no ...
mountains, and turns northeast near the village Paliouria. It feeds the large artificial lake Polyfyto, that was created after the construction of the namesake hydroelectric dam and consists almost its entire course through the Kozani prefecture. Over the bridge runs the Lake Polyfytos Bridge, part of the Athens-Kozani national road. Southeast of
Veria Veria (; ), officially transliterated Veroia, historically also spelled Beroea or Berea, is a city in Central Macedonia, in the geographic region of Macedonia, northern Greece, capital of the regional unit of Imathia. It is located north-nor ...
, the Haliacmon enters the central Macedonian plains, an area of great importance to agriculture. It flows into the
Thermaic Gulf The Thermaic Gulf (, ), also called the Gulf of Thessaloniki and the Macedonian Gulf, is a Gulf (geography), gulf constituting the northwest corner of the Aegean Sea. The city of Thessaloniki is at its northeastern tip, and it is bounded by Pie ...
west of the delta of the
Axios Axios commonly refers to: * Axios (river), a river that runs through Greece and North Macedonia * ''Axios'' (website), an American news and information website Axios may also refer to: Brands and enterprises * Axios, a brand of suspension produ ...
(''Vardar''), northeast of the coastal town Methoni. Haliacmon's tributaries include Gramos, Ladopotamos, Pramoritsa, Grevenitikos, Venetikos, Tripotamos and Krasopoulis. The Haliacmon flows along the towns (in downstream order)
Nestorio Nestorio (, ''Nestório''; and , ''Nestram'' or Нѐсрам, ''Nésram'') is a village and a municipality in the Kastoria (regional unit), Kastoria regional unit of Western Macedonia, Greece. Nestorio is approximately southwest of Kastoria, a ...
,
Argos Orestiko Argos Orestiko (, before 1926: Χρούπιστα – ''Chroupista''; ) is a town and a municipality in the Kastoria regional unit of Macedonia, Greece. The Kastoria National Airport (also known as Aristotelis Airport) is located in Argos Oresti ...
, Neapoli, Paliouria,
Velventos Velventos () or Velvento (Βελβεντό) is a town and municipality in Kozani regional unit, Western Macedonia, Greece. The 2021 census recorded 2,949 people in the community of Velventos and 3,057 in the municipality. The municipality has an a ...
,
Veria Veria (; ), officially transliterated Veroia, historically also spelled Beroea or Berea, is a city in Central Macedonia, in the geographic region of Macedonia, northern Greece, capital of the regional unit of Imathia. It is located north-nor ...
and Alexandreia.


Wetland

Haliacmon contains 33 kinds of fish. These include
brown trout The brown trout (''Salmo trutta'') is a species of salmonid ray-finned fish and the most widely distributed species of the genus ''Salmo'', endemic to most of Europe, West Asia and parts of North Africa, and has been widely introduced globally ...
,
gilt-head bream The gilt-head bream (''Sparus aurata''), also known as the gilthead, dourade, gilt-head seabream or silver seabream, is a species of marine Actinopterygii, ray-finned fish belonging to the Family (biology), family Sparidae, the seabreams or porg ...
,
sardine Sardine and pilchard are common names for various species of small, oily forage fish in the herring suborder Clupeoidei. The term "sardine" was first used in English during the early 15th century; a somewhat dubious etymology says it com ...
,
carp The term carp (: carp) is a generic common name for numerous species of freshwater fish from the family (biology), family Cyprinidae, a very large clade of ray-finned fish mostly native to Eurasia. While carp are prized game fish, quarries and a ...
, pike,
eel Eels are ray-finned fish belonging to the order Anguilliformes (), which consists of eight suborders, 20 families, 164 genera, and about 1000 species. Eels undergo considerable development from the early larval stage to the eventual adult stage ...
,
european anchovy The European anchovy (''Engraulis encrasicolus'') is a forage fish somewhat related to the herring. It is a type of anchovy; anchovies are placed in the family Engraulidae. It lives off the coasts of Europe and Africa, including in the Mediterr ...
, nursehound, bogue,
garfish The garfish (''Belone belone''), also known as the garpike, needlefish or sea needle, is a pelagic, oceanodromous needlefish found in brackish and marine waters of the Atlantic Ocean and the Mediterranean, Caribbean, Black, and Baltic Seas. De ...
, red porgy,
saddled seabream The saddled seabream (''Oblada melanura''), also called the saddle bream or oblade, is a species of ray-finned fish belonging to the family Sparidae, which includes the seabreams and porgies. It is the only species in the monospecific genus ''Ob ...
, angler, bream, mediterranean sand smelt, sand steenbras, mullus barbatus, freshwater bass,
tuna A tuna (: tunas or tuna) is a saltwater fish that belongs to the tribe Thunnini, a subgrouping of the Scombridae ( mackerel) family. The Thunnini comprise 15 species across five genera, the sizes of which vary greatly, ranging from the bul ...
,
salmon Salmon (; : salmon) are any of several list of commercially important fish species, commercially important species of euryhaline ray-finned fish from the genera ''Salmo'' and ''Oncorhynchus'' of the family (biology), family Salmonidae, native ...
,
Mediterranean moray The Mediterranean moray (''Muraena helena'') is a species of fish in the moray eel family. It has a long eel-like body and is found in the eastern Atlantic Ocean and Mediterranean Sea. Its bite can be dangerous to humans. Appearance and characte ...
,
weever Weevers (or weeverfish) are nine extant species of ray-finned fishes of the family Trachinidae in the order Perciformes, part of the wider clade Percomorpha. They are long (up to 37 cm), mainly brown in color, and have venomous spines on ...
, longfin gurnard, dogfish, dusky grouper,
school shark The school shark (''Galeorhinus galeus'') is a houndshark of the family Triakidae, and the only living member of the genus '' Galeorhinus''. Common names also include tope, tope shark, snapper shark, and soupfin shark. It is found worldwide in t ...
and
turbot The turbot ( ) ''Scophthalmus maximus'' is a relatively large species of flatfish in the family Scophthalmidae. It is a demersal fish native to marine or brackish waters of the Northeast Atlantic, Baltic Sea and the Mediterranean Sea. It is a ...
. About 30 of them are indigenous, while the rest were introduced by human intervention. Many of them are considered scarce and one, ''mavrotsironi'', lives nowhere else in the world, i.e. it is
endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...
. Μost of these kinds of fish have no commercial value but only biological, since they support the
food web A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community. Position in the food web, or trophic level, is used in ecology to broadly classify organisms as autotrophs or he ...
. Fish found in Haliacmon, like
carp The term carp (: carp) is a generic common name for numerous species of freshwater fish from the family (biology), family Cyprinidae, a very large clade of ray-finned fish mostly native to Eurasia. While carp are prized game fish, quarries and a ...
and
rainbow trout The rainbow trout (''Oncorhynchus mykiss'') is a species of trout native to cold-water tributary, tributaries of the Pacific Ocean in North America and Asia. The steelhead (sometimes called steelhead trout) is an Fish migration#Classification, ...
, indicate that its water is still pure. Some eels are found in its estuaries, that cannot migrate, hindered by the dams. For amateur fishermen the river has been enriched with introduced rainbow trout, that is not easy to reproduce, so there is no danger of disturbance of the river's
ecosystem An ecosystem (or ecological system) is a system formed by Organism, organisms in interaction with their Biophysical environment, environment. The Biotic material, biotic and abiotic components are linked together through nutrient cycles and en ...
. In the place where the river flows into the sea, there has been formed over the years an extended
delta Delta commonly refers to: * Delta (letter) (Δ or δ), the fourth letter of the Greek alphabet * D (NATO phonetic alphabet: "Delta"), the fourth letter in the Latin alphabet * River delta, at a river mouth * Delta Air Lines, a major US carrier ...
of 4.000 hectares, because of the large dam that was constructed and retains much of the brought matters. As a result, silting has been greatly reduced and during the summer, when there is not much water, the sea enters and largely overwhelms the river bed.
Flathead mullet The flathead grey mullet (''Mugil cephalus'') is an important food fish species in the mullet family Mugilidae. It is found in coastal temperate, tropical and subtropical waters worldwide. Its length is typically . It is known with numerous Eng ...
s and
European seabass The European seabass (''Dicentrarchus labrax''), also known as the branzino, European bass, sea bass, common bass, white bass, capemouth, white salmon, sea perch, white mullet, sea dace or loup de mer, is a primarily ocean-going fish native to the ...
es are found in Haliacmon's delta. In the shallow marine areas formed there, the fry of many
Aegean Sea The Aegean Sea is an elongated embayment of the Mediterranean Sea between Europe and Asia. It is located between the Balkans and Anatolia, and covers an area of some . In the north, the Aegean is connected to the Marmara Sea, which in turn con ...
's fish finds a place to reproduce, while about 90% of Greece's
mussel Mussel () is the common name used for members of several families of bivalve molluscs, from saltwater and Freshwater bivalve, freshwater habitats. These groups have in common a shell whose outline is elongated and asymmetrical compared with other ...
s are produced in the Haliacmon-Axios (
Vardar The Vardar (; , , ) or Axios (, ) is the longest river in North Macedonia and a major river in Greece, where it reaches the Aegean Sea at Thessaloniki. It is long, out of which are in Greece, and drains an area of around . The maximum depth of ...
) delta. Aliki Kitrous is an area of 254 hectares, where 15–20.000 tons of
salt In common usage, salt is a mineral composed primarily of sodium chloride (NaCl). When used in food, especially in granulated form, it is more formally called table salt. In the form of a natural crystalline mineral, salt is also known as r ...
are produced per year. The delta is a national park known as the Axios-Loudias-Haliacmon Delta National Park. Many kinds of birds have been observed in Haliacmon's region. They use it for accommodation and overwintering, like the
duck Duck is the common name for numerous species of waterfowl in the family (biology), family Anatidae. Ducks are generally smaller and shorter-necked than swans and goose, geese, which are members of the same family. Divided among several subfam ...
s, or to rest on their long migratory journey. There have been observed 215 kinds of birds and about ⅓ of them nest in the region. Over 10% of the birds are endangered. They include
Dalmatian pelican The Dalmatian pelican (''Pelecanus crispus''), also known as the curly-headed pelican, is the largest member of the pelican family and among the heaviest flying birds in the world. With a wingspan typically ranging between 2.7 and 3.2 meters (8.9 ...
and
curlew The curlews () are a group of nine species of birds in the genus ''Numenius'', characterised by their long, slender, downcurved bills and mottled brown plumage. The English name is imitative of the Eurasian curlew's call, but may have been infl ...
, that are considered to be among the rarest birds in the world. 27 kinds of rare and protected kinds of birds nest in the region, like
purple heron The purple heron (''Ardea purpurea'') is a wide-ranging heron species. It breeds in Africa, central and southern Europe, and southern and eastern Palearctic. The Western Palearctic populations migrate between breeding and wintering habitats whe ...
.


History

In antiquity,
Claudius Ptolemy Claudius Ptolemy (; , ; ; – 160s/170s AD) was a Greco-Roman mathematician, astronomer, astrologer, geographer, and music theorist who wrote about a dozen scientific treatises, three of which were important to later Byzantine, Islamic, and ...
called the chain of mountains in which the river rises (northern
Pindus The Pindus (also Pindos or Pindhos; ; ; ) is a mountain range located in Northern Greece and Southern Albania. It is roughly long, with a maximum elevation of (Smolikas, Mount Smolikas). Because it runs along the border of Thessaly and Epiru ...
) the ''Canalovii''. According to
Julius Caesar Gaius Julius Caesar (12 or 13 July 100 BC – 15 March 44 BC) was a Roman general and statesman. A member of the First Triumvirate, Caesar led the Roman armies in the Gallic Wars before defeating his political rival Pompey in Caesar's civil wa ...
, the Haliacmon formed the line of demarcation between
Macedon Macedonia ( ; , ), also called Macedon ( ), was an ancient kingdom on the periphery of Archaic and Classical Greece, which later became the dominant state of Hellenistic Greece. The kingdom was founded and initially ruled by the royal ...
and
Thessaly Thessaly ( ; ; ancient Aeolic Greek#Thessalian, Thessalian: , ) is a traditional geographic regions of Greece, geographic and modern administrative regions of Greece, administrative region of Greece, comprising most of the ancient Thessaly, a ...
. In the upper part of its course it took a southeast direction through
Elimiotis Elimiotis or Elimeia () was a region of Upper Macedonia that was located along the Haliacmon river. The capital of Elimiotis was Aiani, located in the modern municipality of Kozani, Western Macedonia. It was bordered by Orestis and Eordaea ...
, which it watered; and then, continuing to the northeast, formed the boundary between Pieria,
Eordaea Eordaea (also spelled Eordaia or Eordia, ) was a geographical region of upper Macedonia and later an administrative region of the kingdom of Macedon. Eordaea was located south of Lynkestis, west of Emathia, north of Elimiotis and east of ...
, and
Imathia Imathia ( ) is one of the regional units of Greece. It is part of the modern regions of Greece, region of Central Macedonia, within the geographic regions of Greece, geographic region of Macedonia (Greece), Macedonia. The capital of Imathia is the ...
. In the time of
Herodotus Herodotus (; BC) was a Greek historian and geographer from the Greek city of Halicarnassus (now Bodrum, Turkey), under Persian control in the 5th century BC, and a later citizen of Thurii in modern Calabria, Italy. He wrote the '' Histori ...
the Haliacmon was apparently joined by the
Loudias The Loudias () or Lydias (Λυδίας), popularly called Mavroneri (Μαυρονέρι, "Blackwater", from its Ottoman Turkish name ''Kara Asmak'' قره آصماق) is a river in Central Macedonia that flows through the regional units of Pell ...
br>7, 127
the discharge of the lake of
Pella Pella () is an ancient city located in Central Macedonia, Greece. It served as the capital of the Ancient Greece, ancient Greek kingdom of Macedonia (ancient kingdom), Macedon. Currently, it is located 1 km outside the modern town of Pella ...
; but a change has taken place in the course of the Loudias, which no longer joins the Haliacmon, but flows directly into the
Aegean Sea The Aegean Sea is an elongated embayment of the Mediterranean Sea between Europe and Asia. It is located between the Balkans and Anatolia, and covers an area of some . In the north, the Aegean is connected to the Marmara Sea, which in turn con ...
. The image below shows a wind gap between the Haliacmon and Loudias
watershed Watershed may refer to: Hydrology * Drainage divide, the line that separates neighbouring drainage basins * Drainage basin, an area of land where surface water converges (North American usage) Music * Watershed Music Festival, an annual country ...
s that is the probable ancient course of the Haliacmon. It was the domain of the eponymous river god
Haliacmon The Haliacmon (, ''Aliákmonas''; formerly: , ''Aliákmon'' or ''Haliákmōn'') is the longest river flowing entirely in Greece, with a total length of . In Greece there are three rivers longer than Haliacmon: Maritsa (), Struma (Strymónas), bot ...
.


Gallery

File:Haliacmon Wind Gap.png, GIS map of Aliacmon File:Haliacmonas river from above.jpg, View from above File:20210402- DSF5103-HDR.jpg, The river near Sfikia


References


External links

{{Authority control River gods in Greek mythology Rivers of Greece Landforms of Kastoria (regional unit) Rivers of Western Macedonia Landforms of Kozani (regional unit) Landforms of Grevena (regional unit) Landforms of Imathia Landforms of Central Macedonia Landforms of Pieria (regional unit)