İsmailli is a village in Alaca District, in Çorum Province, Türkiye. İsmailli lies at 1,111 m above sea level, 8.5 km from the Deveci Dağları mountains. It has 529 inhabitants. The nearest city is Sorgun, 32 km to the southeast. Among the landmarks around are Hattusa (36 km), Yazılıkaya (34 km) and Alaca Dam (16.7 km).