The Croatian football league system is a series of connected leagues for club football in Croatia. This system has hierarchical format with promotion and relegation between leagues at different levels. This system is used from season 2014−15 .
Level
Leagues
1
Prva HNL
10 clubs
2
Druga HNL
12 clubs
3
Treća HNL West
16 clubs
Treća HNL East
16 clubs
Treća HNL South
18 clubs
4
Inter-county League of Rijeka
16 clubs
Inter-county League of Center
16 clubs
Inter-county League of North
30 clubs(2 groups)
Inter-county League of East
16 clubs
without inter-county league
5
First League of Zagreb
16 clubs
First League of Sisak-Moslavina County
16 clubs
First League of Karlovac County
10 clubs
First League of Krapina-Zagorje County
14 clubs
Unified League of Zagreb County
16 clubs
First League of Istria County
13 clubs
First League of Primorje-Gorski Kotar County
12 clubs
First League of Lika-Senj County
9 clubs
First League of Međimurje County
16 clubs
First League of Varaždin County
14 clubs
First League of Bjelovar-Bilogora County
12 clubs
First League of Koprivnica-Križevci County
14 clubs
First League of Virovitica-Podravina County
14 clubs
First League of Brod-Posavina County
14 clubs