Administrative divisions of Croatia
Croatia is divided into 21 first-level administrative divisions:
Largest cities in Croatia
| # | City | Population |
|---|---|---|
| 1 | ZagrebCapital | 722,526 |
| 2 | Split | 214,741 |
| 3 | Rijeka | 170,992 |
| 4 | Slavonski Brod | 97,718 |
| 5 | Osijek | 95,077 |
| 6 | Zadar | 71,258 |
| 7 | Pula | 61,599 |
| 8 | Karlovac | 55,063 |
| 9 | Šibenik | 37,112 |
| 10 | Dubrovnik | 36,994 |
Zagreb is the largest urban area in Croatia with about 722,526 people.
Terrain, rivers & lakes
Highest terrain in Croatia: ≈ 1,888 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
- Mur
- Danube
- Ferenc Csatorna
- Sava
- Drau
🏞️ Lakes
No major lakes at this scale.
Ethnic groups in Croatia
Croat 91.6%, Serb 3.2%, other 3.9% (including Bosniak, Romani, Albanian, Italian, and Hungarian), unspecified 1.3% (2021 est.)
Regionally, Croat is the most common ethnic group across most of the 21 divisions.
Source: CIA World Factbook (2021 est.) · regional dominance compiled by Glostats from censuses and surveys
Religions in Croatia
Roman Catholic 79%, Orthodox 3.3%, Protestant 0.3%, other Christian 4.8%, Muslim 1.3%, other 1.1%, agnostic 1.7%, none or atheist 4.7%, unspecified 3.9% (2021 est.)
Regionally, Roman Catholic is the most common religious group across most of the 21 divisions.
Source: CIA World Factbook (2021 est.) · regional dominance compiled by Glostats from censuses and surveys
Languages in Croatia
Croatian (official) 95.2%, Serbian 1.2%, other 3.1% (including Bosnian, Romani, Albanian, and Italian) unspecified 0.5% (2021 est.)
Regionally, Croatian is the most common language group across most of the 21 divisions.
Source: CIA World Factbook (2021 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.