Slavonia was part of the Western Roman Empire, a principality, a kingdom, and at various times, aligned with Croatia, the Ottoman Empire, the Habsburg Austrian Empire, Hungary, the Dual Monarchy of Austria and Hungary, and Yugoslavia. Below is an attempt to diagram Slavonia during the time of the Danube Swabian settlements and to the present day.
Today it is one of the four historical regions of Croatia.
Kingdom of Croatia-Slavonia 1868–1922
Counties
- Bjelovar-Križevci County
- Lika-Krbava County
- Modruš-Rijeka County
- Požega County
- Syrmia County
- Varaždin County
- Virovitica County
- Zagreb County
Districts
Cities and municipalities
Cadastral municipalities (non legal or public entities, non local authorities)
Kingdom of Serbs, Croats and Slovenes 1922–1929
Oblasts
- Oblast of Dubrovnik
- Oblast of Karlovac
- Oblast of Osijek
- Oblast of Split
- Oblast of Vukovar (partially)
- Oblast of Zagreb
Districts
Cities and municipalities
Cadastral municipalities (non legal or public entities, non local authorities)
Kingdom of Yugoslavia 1929–1941
Banovinas
- Banovina of Croatia
- Sava Banovina
- Littoral Banovina
Districts
Cities and municipalities
Cadastral municipalities (non legal or public entities, non local authorities)
Independent State of Croatia 1941–1945
(under occupation WW II)
Counties (22)
- Baranja
- Bilogora
- Bribir and Sidraga
- Cetina
- Dubrava
- Gora
- Hum
- Krbava – Psat
- Lašva and Glaž
- Lika and Gacka
- Livac and Zapolje
- Modruš
- Pliva and Rama
- Pokupje
- Posavje
- Prigorje
- Sana and Luka
- Usora and Soli
- Vinodol and Podgorje
- Vrhbosna
- Vuka
- Zagorje
- Zagreb
Districts
Municipalities
Cadastral municipalities (katastarske općine – non legal or public entities, non local authorities)
1945–1947
Oblasts
Circles (okrug, pl. okruzi)
Districts
People’s Committee Areas (mjesni narodni odbor, pl. mjesni narodni odbori) – village people’s committees and, raion people’s committee, town/city people’s committee
N.B. Until 1963 all subdivisions were governed by the elected people’s committees.
From 1963 to 1992 these were administered by the respective (elected) assemblies.
1947–1952
Oblasts
- Bjelovar
- Karlovac
- Osijek
- Rijeka
- Split
- Zagreb
Districts
People’s Committee Areas (mjesni narodni odbori)
1952–1967
Districts (kotar, pl. kotari) and Cities (grad, pl. gradovi)
City municipalities (Townships) and Municipalities (gradske općine and općine)
Settlements (non legal or public entities)
1967–1975
Municipalities
Settlements (non legal or public entities)
1975–1990
Unions of municipalities (1986–1990)
Unions of Municipalities (zajednica općina, pl. zajednice općina) (11), including City of Zagreb Union of Municipalities (Zagreb metropolitan area) and City of Split Union of Municipalities (Split metropolitan area)
Municipalities (općina, pl. općine)
Local communities (mjesna zajednica, pl. mjesne zajednice)
Settlements (non legal or public entities)
Croatia/Hrvatska – Current (since 1992)
Counties (21)
- Bjelovar-Bilogora
- Brod-Posavina
- Dubrovnik-Neretva
- Istria
- Karlovac
- Koprivnica-Križevci
- Krapina-Zagorje
- Lika-Senj
- Međimurje
- Osijek-Baranja
- Požega-Slavonia
- Primorje-Gorski Kotar
- Šibenik-Knin
- Sisak-Moslavina
- Split-Dalmatia
- Varaždin
- Virovitica-Podravina
- Vukovar-Syrmia
- Zadar
- Zagreb
City of Zagreb
Cities and Municipalities (556)[1]
City districts and Local committee areas
Settlements (6,749) (non-legal, non-public entities)
An example of the German village Hrastovac:
- Founded 1865-1868 – 1922 – County of Požega County, District of Daruvar
- * at some point from 1922 forward, the District was changed to Garesnica, today in Bjelovar-Bilgora County, “Bjelovar County” has had several name changes
- 1922 -1929 – Osijek Oblast / Osječka oblast (Croatian)
- 1929-1941 – Sava Banovina / Savska banovina / Савска бановина
- 1941-1945 – Posavje County – village evacuated in late August 1944
- 1945-1947 – not available
- 1947-1952 – Bjelovar County
- 1952-1967 – not available
- 1967-1975 – not available
- 1975-1990 – not available
- 1992-present – Bjelovar-Bilogora County
Source:
1. https://en.wikipedia.org/wiki/Administrative_divisions_of_Croatia
Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License
2. Personal research of Darlene Dimitrie using gazetteers and historical sources.
References as per Wikipedia, citations as of 2026-August-24:
Budak, Neven (2018). Hrvatska povijest od 550. do 1100 [Croatian history from 550 until 1100]. Leykam international. pp. 197, 199, 327. ISBN 978-953-340-061-7. Archived from the original on 2022-10-03. Retrieved 2020-07-28.
“Popis gradova i općina”. uprava.hr (in Croatian). Ministry of Public Administration, Croatia. 10 June 2013. Archived from the original (Microsoft Excel) on 8 December 2015. Retrieved 2 December 2015.
Vrbošić, Josip. POVIJESNI PREGLED RAZVITKA ŽUPANIJSKE UPRAVE I SAMOUPRAVE U HRVATSKOJ, University of Osijek.
Last updated: 08/26/2026