Hungarian water polo league system

The Hungarian water polo league system, or Hungarian water polo league pyramid is a series of interconnected competitions for professional water polo clubs in Hungary. The system has a hierarchical format with a promotion and demotion system between competitions at different levels.

Men

For the 2015–16 season, the Hungarian water polo league system is as follows:

Level Clubs	Divisions
1 16	Országos Bajnokság I (OB I) (e·on Férfi OB I Osztályú Országos Bajnokság) 2 groups of 8 teams – 1 relegation + 1 relegation playoff
2 20	Országos Bajnokság I/B (OB I/B) 2 groups of 10 teams – 1 promotion + 1 promotion playoff, 2 relegation
3 24	Országos Bajnokság II (OB II) West 6 clubs – 1 promotion championship	Országos Bajnokság II (OB II) Middle 6 clubs – 1 promotion championship	Országos Bajnokság II (OB II) North-east 6 clubs – 1 promotion championship	Országos Bajnokság II (OB II) South-east 7 clubs – 1 promotion championship