Dolná Streda (Hungarian: Alsószerdahely) is a village and municipality in the Galanta District of the Trnava Region of western Slovakia.

In historical records the village was first mentioned in 1283.

Before the establishment of independent Czechoslovakia in 1918, it was part of Pozsony County within the Kingdom of Hungary.

The municipality lies at an elevation of 125 metres and covers an area of 13.47 km2 (5 sq mi).

This Trnava Region geography article is a stub.