Aksu is a village in Susuz District, in Kars Province, Türkiye. Aksu lies at 1,774 m above sea level, in the Allahuekber mountains. It has 388 inhabitants. The nearest city is Kars, 27 km to the southwest. Among the landmarks around are Ani (48 km), Cathedral of Kars (26 km) and Castle of Kars (25 km).