1977 Országos Bajnokság I (men's water polo) was the 71st water polo championship in Hungary. There were twelve teams who played two-round match for the title.
1977 Országos Bajnokság I (men's water polo) was the 71st water polo championship in Hungary. There were twelve teams who played two-round match for the title. (en)
1977 Országos Bajnokság I (men's water polo) was the 71st water polo championship in Hungary. There were twelve teams who played two-round match for the title. (en)