Bačka (Hungarian: Bacska) is a village and municipality in the Trebišov District in the Košice Region of eastern Slovakia.

In historical records the village was first mentioned in 1214 as Bocskay family's property.

The village lies at an altitude of 104 metres and covers an area of 9.578 km2.

The village has a public library The records for genealogical research are available at the state archive in Košice (Slovak: Štátny archív v Košiciach).

This article relating to the geography of the Trebišov District is a stub.