Aksu is a municipality and district of Antalya Province, Turkey. Its area is 406 km², and its population is 77,623. Aksu is situated on the Turkis…Aksu is a municipality and district of Antalya Province, Turkey. Its area is 406 km², and its population is 77,623. Aksu is situated on the Turkish state highway D.400 which connects Antalya to Mersin. It is almost merged to Antalya, the province center and in fact it is included in Greater Antalya. The distance to Antalya central town is about 18 kilometres. Antalya Airport is within Aksu district.