Overview
The first two digits correspond to each of the 21 counties of Croatia, as follows:
- 1xxxx Zagreb region:
- 10xxx City of Zagreb and Zagreb County
- 2xxxx Southern Croatia:
- 20xxx Dubrovnik-Neretva County
- 21xxx Split-Dalmatia County
- 22xxx Šibenik-Knin County
- 23xxx Zadar County
- 3xxxx Eastern Croatia:
- 31xxx Osijek-Baranja County
- 32xxx Vukovar-Syrmia County
- 33xxx Virovitica-Podravina County
- 34xxx Požega-Slavonia County
- 35xxx Brod-Posavina County
- 4xxxx Central Croatia:
- 40xxx Međimurje County
- 42xxx Varaždin County
- 43xxx Bjelovar-Bilogora County
- 44xxx Sisak-Moslavina County
- 47xxx Karlovac County
- 48xxx Koprivnica-Križevci County
- 49xxx Krapina-Zagorje County
- 5xxxx Western Croatia:
- 51xxx Primorje-Gorski Kotar County
- 52xxx Istria County
- 53xxx Lika-Senj County
Read more about this topic: List Of Postal Codes In Croatia