Administrative divisions of Greece
Greece is divided into 14 first-level administrative divisions:
Largest cities in Greece
| # | City | Population |
|---|---|---|
| 1 | AthensCapital | 3,242,000 |
| 2 | Thessaloniki | 828,000 |
| 3 | Piraeus | 466,065 |
| 4 | Patra | 163,360 |
| 5 | Iraklio | 137,154 |
| 6 | Larissa | 128,758 |
| 7 | Volos | 110,632 |
| 8 | Ioanina | 86,304 |
| 9 | Hania | 78,728 |
| 10 | Agrinio | 75,233 |
Athens is the largest urban area in Greece with about 3,242,000 people.
Terrain, rivers & lakes
Highest terrain in Greece: ≈ 3,018 m — read from the global elevation model, so summit heights are approximate. The physical map paints elevation bands from green lowlands to brown highlands.
🌊 Rivers
- Strymnas
- Evros
- Haliacmon
🏞️ Lakes
- Lake
Ethnic groups in Greece
Greek 91.6%, Albanian 4.4%, other 4% (2011 est.)
Regionally, Greek is the most common ethnic group across most of the 14 divisions.
Source: CIA World Factbook (2011 est.) · regional dominance compiled by Glostats from censuses and surveys
Religions in Greece
Greek Orthodox 81-90%, Muslim 2%, other 3%, none 4-15%, unspecified 1% (2015 est.)
Regionally, Greek Orthodox is the most common religious group across most of the 14 divisions.
Source: CIA World Factbook (2015 est.) · regional dominance compiled by Glostats from censuses and surveys
Languages in Greece
Greek (official) 99%, other (includes English and French) 1%
Regionally, Greek is the most common language group across most of the 14 divisions.
Source: CIA World Factbook · regional dominance compiled by Glostats from censuses and surveys
Explore more
Sources: boundaries, cities, rivers and lakes from Natural Earth (public domain, 1:10m); elevation from the AWS Open Data terrain tiles (SRTM/GMTED); ethnic, religious and language shares from the CIA World Factbook; regional dominance compiled by Glostats from national censuses and surveys. Page generated 2026-10-19. More about our data.