Administrative divisions of Finland
Finland is divided into 18 first-level administrative divisions:
Largest cities in Finland
| # | City | Population |
|---|---|---|
| 1 | HelsinkiCapital | 1,115,000 |
| 2 | Tampere | 259,279 |
| 3 | Turku | 175,945 |
| 4 | Oulu | 136,752 |
| 5 | Lahti | 98,826 |
| 6 | Jyväskylä | 98,136 |
| 7 | Kuopio | 91,900 |
| 8 | Pori | 76,772 |
| 9 | Lappeenranta | 59,276 |
| 10 | Vaasa | 57,014 |
Helsinki is the largest urban area in Finland with about 1,115,000 people.
Terrain, rivers & lakes
Highest terrain in Finland: ≈ 1,302 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
- Vuoksi
- Kemijoki
- Kokemenjoki
- Lotta
- Tornelven
- Muonio
- Patsoyoki
- Luirojoki
- Oulu
- Yanisyoki
🏞️ Lakes
- Lake Saimaa
- Päijänne
- Inarijrvi
- Lake
- Pielinen
- Pyhäjärvi
- Koitere
- Rikkavesi
- Oulujärvi
- Kemijärvi
- Porttipahta Reservoir
- Lokan Tekojarvi
Ethnic groups in Finland
Finnish, Swedish, Russian, Estonian, Romani, Sami
Regionally, Finnish is the most common ethnic group across most of the 18 divisions, while Swedish predominates in 1 division (Ostrobothnia).
Source: CIA World Factbook · regional dominance compiled by Glostats from censuses and surveys
Religions in Finland
Lutheran 66.6%, Greek Orthodox 1.1%, other 1.7%, none 30.6% (2022 est.)
Regionally, Lutheran is the most common religious group across most of the 18 divisions.
Source: CIA World Factbook (2022 est.) · regional dominance compiled by Glostats from censuses and surveys
Languages in Finland
Finnish (official) 85.9%, Swedish (official) 5.2%, Russian 1.7%, other 7.2% (2022 est.)
Regionally, Finnish is the most common language group across most of the 18 divisions, while Swedish predominates in 1 division (Ostrobothnia).
Source: CIA World Factbook (2022 est.) · 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.