The township of Abadan is located to the southwest of the province, and experiences short winters and long warm summers, along with a high percentage of humidity. Abadan is a delta shaped island, with its base facing towards the Persian Gulf and its head towards Khoram Shahr. Previously it was supposed to be called "Khezr Island" but later on it was known as "Ebadan". In 1935 "Ebadan" changed to "Abadan". Its center is the city of Abadan, which lies at a distance of 1,000 km. from Tehran.
At the end of the 13th century AH, due to the presence of the oil industry, Abadan developed and expanded. In the year 1909, the refinery factories were erected, which unfortunately suffered heavy damage during the imposed war between Iran and Iraq. After which it is gradually regaining its former status. This refinery is one of the attractive sites of the city of Abadan, and is one of the oldest and largest refineries in the world.