Komárno District (Slovak: okres Komárno, Hungarian: Komáromi járás) is a district inthe Nitra Region of western Slovakia. Until 1918, the district was mostly part of the Komárom county within the Kingdom of Hungary.
The district has a population of 108.556 of which 74.976 (69.1%) are Hungarians and 30.079 (27.7%) are Slovaks (2001).
Dunajská Streda District (Slovak: Okres Dunajská Streda, Hungarian: Dunaszerdahelyi járás) is a district in the Trnava Region of western Slovakia. Until 1918, the district was mostly part of the county of Kingdom of Hungary of Pozsony, apart from a small area in the south,which formed part of the county of Komárno, and Baloň, which formed part of the county of Győr. The majority of the inhabitants of Dunajská Streda District are Hungarians.