Tajná (Hungarian: Tajnasári) is a village and municipality in the Nitra District in western central Slovakia, in the Nitra Region.

[4] In historical records the village was first mentioned in 1075.

The village lies at an altitude of 174 metres and covers an area of 8.482 km2.

The population is about 98% Slovak and 2% Magyar.

This Nitra Region geography article is a stub.