Insular Italy ( or just , ) is one of the five official statistical regions of
Italy
Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...
used by the
National Institute of Statistics (ISTAT), a
first level NUTS region and
a European Parliament constituency. Insular Italy encompasses two of the
country's 20 regions:
*
Sardinia
Sardinia ( ; ; ) is the Mediterranean islands#By area, second-largest island in the Mediterranean Sea, after Sicily, and one of the Regions of Italy, twenty regions of Italy. It is located west of the Italian Peninsula, north of Tunisia an ...
*
Sicily
Sicily (Italian language, Italian and ), officially the Sicilian Region (), is an island in the central Mediterranean Sea, south of the Italian Peninsula in continental Europe and is one of the 20 regions of Italy, regions of Italy. With 4. ...
Geography
Insular Italy occupies one sixth of the national territory in surface area. Territorially, both Sicily and Sardinia include several minor islands and
archipelagoes
An archipelago ( ), sometimes called an island group or island chain, is a chain, cluster, or collection of islands. An archipelago may be in an ocean, a sea, or a smaller body of water. Example archipelagos include the Aegean Islands (the o ...
that are administratively dependent on the mother islands.
Sicily is the largest island in the
Mediterranean
The Mediterranean Sea ( ) is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean basin and almost completely enclosed by land: on the east by the Levant in West Asia, on the north by Anatolia in West Asia and Southern ...
(25,708 km
2) and one of the largest of
Europe
Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...
, while Sardinia is only slightly less extensive (24,090 km
2). The lowlands are generally limited in the geographic region and generally appear as narrow coastal belts. The only exceptions are the
Campidano
Campidano () is a plain located in South-Western Sardinia (Italy), covering approximately 100 kilometres between Cagliari and Oristano.
Geography
Geologically, it is a graben, a tectonic structure formed in the mid-Pliocene/early Pleistocene ...
and
Nurra, in Sardinia, and the
Plain of Catania, in Sicily, which extend 1200 km
2 and 430 km,
2 respectively. The rest of the area is prevalently hilly, with hills occupying 70% of the territory.
Sicily is home to
Mount Etna
Mount Etna, or simply Etna ( or ; , or ; ; or ), is an active stratovolcano on the east coast of Sicily, Italy, in the Metropolitan City of Catania, between the cities of Messina, Italy, Messina and Catania. It is located above the Conve ...
, Italy's highest non-
Alpine peak and Europe's largest active volcano. Sardinia is home to the
Gennargentu mountain range.
Demographics
The population of Insular Italy totals 6,340,710 as of 2025,
just over one-tenth of the national population and by far the lowest of all the country's macro-regions. While it is the smallest macro-region in area, the region also has the lowest population density. This is because of the scarce population of
Sardinia
Sardinia ( ; ; ) is the Mediterranean islands#By area, second-largest island in the Mediterranean Sea, after Sicily, and one of the Regions of Italy, twenty regions of Italy. It is located west of the Italian Peninsula, north of Tunisia an ...
, one of the least densely populated parts of Italy at only around one-third of Italy's average population density. The islands are of roughly the same size but three quarters of the region's population lives in
Sicily
Sicily (Italian language, Italian and ), officially the Sicilian Region (), is an island in the central Mediterranean Sea, south of the Italian Peninsula in continental Europe and is one of the 20 regions of Italy, regions of Italy. With 4. ...
.
Regions
Most populous municipalities

Below is the list of the most populous municipalities with more than inhabitants:
Economy
The
gross domestic product
Gross domestic product (GDP) is a monetary measure of the total market value of all the final goods and services produced and rendered in a specific time period by a country or countries. GDP is often used to measure the economic performanc ...
(GDP) of the region was 123.9 billion euro in 2018, accounting for 7% of Italy's economic output. The GDP per capita adjusted for purchasing power was 18,500 euro or 62% of the EU27 average in the same year.
Socio-economic situation
The
unemployment rate
Unemployment, according to the OECD (Organisation for Economic Co-operation and Development), is the proportion of people above a specified age (usually 15) not being in paid employment or self-employment but currently available for work d ...
of
Sicily
Sicily (Italian language, Italian and ), officially the Sicilian Region (), is an island in the central Mediterranean Sea, south of the Italian Peninsula in continental Europe and is one of the 20 regions of Italy, regions of Italy. With 4. ...
is the highest in the country at 11.9%, while in
Sardinia
Sardinia ( ; ; ) is the Mediterranean islands#By area, second-largest island in the Mediterranean Sea, after Sicily, and one of the Regions of Italy, twenty regions of Italy. It is located west of the Italian Peninsula, north of Tunisia an ...
between 2006-07 it dropped for the first time below 10%, reaching 8.6%, the lowest of all the
Mezzogiorno
Southern Italy (, , or , ; ; ), also known as () or (; ; ; ), is a macroregion of Italy consisting of its southern regions.
The term "" today mostly refers to the regions that are associated with the people, lands or culture of the historic ...
regions, excluding
Molise
Molise ( , ; ; , ) is a Regions of Italy, region in Southern Italy. Until 1963, it formed part of the region of Abruzzi e Molise together with Abruzzo. The split, which did not become effective until 1970, makes Molise the newest region in Ital ...
and
Abruzzo
Abruzzo (, ; ; , ''Abbrìzze'' or ''Abbrèzze'' ; ), historically also known as Abruzzi, is a Regions of Italy, region of Southern Italy with an area of 10,763 square km (4,156 sq mi) and a population of 1.3 million. It is divided into four ...
.
The low level of entrepreneurship in Sicily is tied to the local
organized criminal activity, and in Sardinia, it results from the rather expensive operating expenses (electricity, transportation etc.), which are 20-50% higher than other regions because of its peripheral location from the
Italian mainland and the lack of a proper territorial continuity (''continuità territoriale''). That condition has been reduced in Sardinia with the development of
information technologies
Information technology (IT) is a set of related fields within information and communications technology (ICT), that encompass computer systems, software, programming languages, data and information processing, and storage. Information technolo ...
like
Tiscali,
low-cost carriers
A low-cost carrier (LCC) or low-cost airline, also called a budget, or discount carrier or airline, is an airline that is operated with an emphasis on minimizing operating costs. It sacrifices certain traditional airline luxuries for cheaper far ...
like
Ryanair
Ryanair is an Irish Low-cost carrier#Ultra low-cost carrier, ultra low-cost airline group headquartered in Swords, County Dublin, Ireland. The parent company, Ryanair Holdings plc, includes subsidiaries Ryanair , Malta Air, Buzz (Ryanair), Buzz ...
and laws regarding fares and routes between the islands and mainland Italy.
See also
*
List of islands of Italy
This is a list of islands of Italy. There are nearly 450 islands in Italy, including islands in the Mediterranean Sea (including the marginal seas: Adriatic Sea, Ionian Sea, Libyan Sea, Ligurian Sea, Sea of Sardinia, Tyrrhenian Sea, and inland is ...
*
Italian Islands (European Parliament constituency)
*
National Institute of Statistics (Italy)
The Italian National Institute of Statistics (; Istat) is the primary source of official statistics in Italy. The institute conducts a variety of activities, including the census of population, economic censuses, and numerous social, economic, a ...
*
NUTS statistical regions of Italy
*
Italian NUTS level 1 regions
The Classification of Territorial Units for Statistics (NUTS, for the French ) is a geocode standard for referencing the administrative divisions of countries for statistical purposes. The standard was developed by the European Union.
Ther ...
:
**
Northwest Italy
Northwest Italy ( or just ) is one of the five official statistical regions of Italy used by the National Institute of Statistics (ISTAT), a first level NUTS region and a European Parliament constituency. Northwest encompasses four of the ...
**
Northeast Italy
Northeast Italy ( or just ) is one of the five official statistical regions of Italy used by the Istituto Nazionale di Statistica, National Institute of Statistics (ISTAT), a Italian NUTS level 1 regions, first level NUTS region and a European ...
**
South Italy
South Italy ( or ) is one of the five official statistical regions of Italy used by the Istituto Nazionale di Statistica, National Institute of Statistics (ISTAT), a Italian NUTS level 1 regions, first level NUTS region and a European Parliam ...
*
Northern Italy
Northern Italy (, , ) is a geographical and cultural region in the northern part of Italy. The Italian National Institute of Statistics defines the region as encompassing the four Northwest Italy, northwestern Regions of Italy, regions of Piedmo ...
*
Central Italy
Central Italy ( or ) is one of the five official statistical regions of Italy used by the National Institute of Statistics (ISTAT), a first-level NUTS region with code ITI, and a European Parliament constituency. It has 11,704,312 inhabita ...
*
Southern Italy
Southern Italy (, , or , ; ; ), also known as () or (; ; ; ), is a macroregion of Italy consisting of its southern Regions of Italy, regions.
The term "" today mostly refers to the regions that are associated with the people, lands or cultu ...
References
{{Authority control
Geography of Italy
NUTS 1 statistical regions of the European Union
Islands of Italy