Komárno okres (Hungarian: Komáromi járás) has a 80-90% Hungarian population,
according to the 1990 census. The district was in the Komárom (Slovakian:
Komárno) County of the Kingdom of Hungary to 1919/1920. Czechoslovakian
occupation / Treaty of Trianon, 1920-1938 part of Czechoslovakia, 1938-1944
part of Hungary, after the Decision of Vienna. The Treaty of Paris (1947)
reallocated it to Czechoslovakia.
István Molnár, 12 Jun 2000