Bostankale is a village in Digor District, in Kars Province, Türkiye. Bostankale lies at 1,588 m above sea level, in the Güllü Dağları mountains. It has 321 inhabitants. The nearest city is Kağızman, 32 km to the west. Near the border: Armenia, 14 km. Among the landmarks around are Ani (37 km), Yererouk (31 km) and Yervandashat (16.4 km).