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Országos Bajnokság I (men's water polo)

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Country  Hungary
Founded  1904
Level on pyramid  1
Confederation  LEN (Europe)
Number of teams  14
Relegation to  OB I/B
Instances  2016–17 Országos Bajnokság I

Országos Bajnokság I (English: Nationwide Championship I, commonly abbreviated OB I) is the highest level water polo league for men in Hungary, that is administered and supervised by the Hungarian Water Polo Federation. Since 2009, after signed a four-year sponsorship contract with telecommunications company Vodafone, the competition is officially known as Vodafone OB I.


Current teams

The following 14 clubs compete in the OB I during the 2014–15 season:

By club


  • The teams in Bold play in the 2015-16 season of OB I.
  • The teams in Italics no longer exist.
  • The teams in neither bold or italics are existing past winners of the championship that relegated to Hungarian lower leagues.
  • By counties

    The following table lists the Hungarian water polo champions by counties of Hungary.

  • The bolded teams are currently playing in the 2015-16 season of the Hungarian League.
  • Seasons in the OB I

    The number of seasons that each team (in alphabetical order) has played in the top division from 1904 until 2016–17. A total of ... teams had competed in at least one season at the top division. Ferencváros is the only teams to have played in the top division in every season since the league's inception in its modern form. The teams in Bold participate in the 2016–17 OB I.


    Országos Bajnokság I (men's water polo) Wikipedia

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