Abasár is a village (population 2,593) in Heves county in Hungary, situated near Gyöngyös in the foothills of the Mátra mountains. It was founded as Saár (literally "mud", later Sár) in 1261, and later took the prefix Aba from the Aba clan. To the west of the village is the Sár-hegy (Sár Hill), a national nature reserve.
Coordinates: 47°48′8.53″N 20°00′27.00″E / 47.8023694°N 20.0075000°E