Abadan is a city and capital of Abadan County, Khuzestan Province, which is located in the southwest of Iran. It lies on Abadan Island. The island is bounded in the west by the Arvand waterway and to the east by the Bahmanshir outlet of the Karun River, 53 kilometres from the Persian Gulf, near the Iran–Iraq border. Abadan is 140 km from the provincial capital city of Ahvaz.