Komárno (Hungarian: Komárom, colloquially Révkomárom, Öregkomárom, Észak-Komárom, German: Komorn, Serbian: Komoran/Коморан) is a town in Slovakia at the confluence of the Danube and the Váh rivers. Komárno was formed from part of a historical town in Hungary situated on both banks of the Danube. Following World War I and the Treaty of Trianon, the border of the newly created Czechoslovakia cut the historical, unified town in half, creating two new towns. The smaller part, based on the former suburb of Újszőny, is in present-day Hungary as Komárom (the historical Hungarian town had the same name).