1977 Országos Bajnokság I (men's water polo)

The 1977 Országos Bajnokság I (OB I) was the top-tier men's water polo league in Hungary during the 1977 season. It represents the national championship for men's water polo in Hungary. The term "Országos Bajnokság I" translates to "National Championship I," with "I" denoting the first division. The competition involved multiple teams from across Hungary vying for the national title. The season consisted of a round-robin format and possibly playoff stages (details may vary across years), culminating in determining the champion team. Specific details like the participating teams, final standings, individual match results, and notable players of the 1977 season would be found in sports archives, Hungarian water polo historical records, and potentially newspaper reports from that era. The winning team was crowned the Hungarian national champion for men's water polo in 1977.