Administrative divisions of Switzerland
Switzerland is divided into 26 first-level administrative divisions:
Largest cities in Switzerland
| # | City | Population |
|---|---|---|
| 1 | Geneva | 1,240,000 |
| 2 | Zürich | 1,108,000 |
| 3 | Basel | 830,000 |
| 4 | BernCapital | 275,329 |
| 5 | Lausanne | 265,702 |
| 6 | Luzern | 250,000 |
| 7 | Lugano | 105,388 |
| 8 | Biel | 78,708 |
| 9 | Saint Gallen | 70,572 |
| 10 | Chur | 38,293 |
Geneva is the largest urban area in Switzerland with about 1,240,000 people; the capital, Bern, has about 275,329.
Terrain, rivers & lakes
Highest terrain in Switzerland: ≈ 4,496 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
- Rhein
- Rhin
- Rhne
- Rhône
- Ticino
- Inn
- Doubs
🏞️ Lakes
- Lake Geneva
- Bodensee
- Lake
- Lago di Como
Ethnic groups in Switzerland
Swiss 69.2%, German 4.2%, Italian 3.2%, Portuguese 2.5%, French 2.1%, Kosovan 1.1%, Turkish 1%, other 16.7% (2020 est.)
Regionally, Swiss is the most common ethnic group across most of the 26 divisions.
Source: CIA World Factbook (2020 est.) · regional dominance compiled by Glostats from censuses and surveys
Religions in Switzerland
Roman Catholic 34.4%, Protestant 22.5%, other Christian 5.7%, Muslim 5.4%, other 1.5%, none 29.4%, unspecified 1.1% (2020 est.)
Regionally, Roman Catholic is the most common religious group across most of the 26 divisions, while Protestant predominates in 7 divisions (Bern, Zürich, Schaffhausen, Thurgau, Glarus, Basel-Landschaft, …); none predominates in 2 divisions (Basel-Stadt, Neuchâtel).
Source: CIA World Factbook (2020 est.) · regional dominance compiled by Glostats from censuses and surveys
Languages in Switzerland
German (or Swiss German) (official) 62.1%, French (official) 22.8%, Italian (official) 8%, English 5.7%, Portuguese 3.5%, Albanian 3.3%, Serbo-Croatian 2.3%, Spanish 2.3%, Romansh (official) 0.5%, other 7.9% (2019 est.)
Regionally, German is the most common language group across most of the 26 divisions, while French predominates in 6 divisions (Genève, Vaud, Neuchâtel, Jura, Fribourg, Valais); Italian predominates in 1 division (Ticino).
Source: CIA World Factbook (2019 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.