Alacahüyük is a village in Alaca District, in Çorum Province, Türkiye. Alacahüyük lies at 1,098 m above sea level, 8.4 km from the Kırlar Dağı mountains. It has 1,081 inhabitants. The nearest city is Sungurlu, 29 km to the west. Among the landmarks around are Hattusa (25 km), Alaca Höyük (0.4 km) and Yazılıkaya (24 km).