Tags: Ice Hockey League, Sports League.
The Országos Bajnokság I (English: Nationwide Championship; commonly abbreviated OB I) is the highest level hockey league in Hungary. It consists of 5 teams for the 2011–2012 season. 4 of the teams play in the MOL Liga and 1 (Alba Volán Székesfehérvár) in the Erste Bank Eishockey Liga.After the formation of the MOL Liga the OB I returned to having only Hungarian teams.