Apostag is a village and municipality in Bács-Kiskun county, in the Southern Great Plain region of southern Hungary.

Croats in Hungary call this village Štagara.

[1] It covers an area of 31.94 km2 (12 sq mi) and has a population of 2010 people (2015).

In the medieval ages the village had a rotunda with 12 sided poligonal shape and its patrocinium was: The 12 Apostles.

There was also similar patrocinium of Bény rotunda, recently in Bíňa, Slovakia.