Başköy is a village in Çıldır District, in Ardahan Province, Türkiye. Başköy lies at 2,250 m above sea level, in the Allahuekber mountains. It has 139 inhabitants. The nearest city is Ardahan, 52 km to the west. Near the border: Georgia, 5.5 km. Among the landmarks around are Vardzia (27 km), Tmogvi (28 km) and Kumurdo Cathedral (29 km).