Antakya, modern form of Antioch, is a municipality and the capital district of Hatay Province, Turkey. Its area is 703 km², and its population is 3…Antakya, modern form of Antioch, is a municipality and the capital district of Hatay Province, Turkey. Its area is 703 km², and its population is 399,045. It is the capital of Hatay Province, the southernmost province of Turkey. The city is located in a well-watered and fertile valley on the Orontes River, about 20 kilometres from the Levantine Sea.