Koçhisar is a village in Alaca District, in Çorum Province, Türkiye. Koçhisar lies at 1,020 m above sea level, 14.0 km from the Deveci Dağları mountains. It has 76 inhabitants. The nearest city is Yozgat, 34 km to the southwest. Among the landmarks around are Hattusa (30 km), Yazılıkaya (29 km) and Alaca Höyük (26 km).