Harhar is a village in Alaca District, in Çorum Province, Türkiye. Harhar lies at 1,215 m above sea level, 3.2 km from the Kırlar Dağı mountains. It has 72 inhabitants. The nearest city is Çorum, 33 km to the northeast. Among the landmarks around are Hattusa (32 km), Alaca Höyük (8.2 km) and Yazılıkaya (31 km).