Zlaté Klasy (Hungarian: Nagymagyar, pronounced [ˈnɒɟmɒɟɒr]) is a village and municipality in the Dunajská Streda District in the Trnava Region of south-west Slovakia.

In the 9th century, the territory of Zlaté Klasy became part of the Kingdom of Hungary.

After the Austro-Hungarian army disintegrated in November 1918, Czechoslovak troops occupied the area.

After Soviet occupation in 1945, Czechoslovak administration returned and the village became officially part of Czechoslovakia in 1947.

Roman Catholicism is the majority religion of the village, its adherents numbering 94.01% of the total population.