Sivrihisar (Turkish: Sivrihisar, "a pointed castle") is a town and district of Eskişehir Province in the Central Anatolia region of Turkey. According to 2010 census, population of the district is 23 488 of which 9,817 live in the town of Sivrihisar. The district covers an area of 2,987 km2 (1,153 sq mi), and the average elevation is 1,070 m (3,510 ft).