Covering an area of 20,133 square kilometers, Ilam province is located in the western Iran. According to the latest divisions of the country , the cities of the province are Ilam, Mehran, Dehloran, Dareh Shahr, Shirvan Va Chardavol, Aivan and Abdanan. Ilam is the capital city of the province.

This narrow and high valley is one of the most important and strategic points of the region, located in the western side of the Dareh Shahr - Pol-e-Dokhtar Road.

This Sassanide bridge has been constructed in the confluence of the Seimareh and Kashkan Rivers. Although it has been repaired several times during the past, it is almost in a ruined state now.

Located 6 kilometers southeast of Dareh Shahr, the ruins of this fort can be seen in the entrance of the village with the same name with 150 years of antiquity.

This castle is located on the Choqa Mirag hill in the city of Ilam. This castle is built about 100 years ago in the Qajar period and its area is 2,500 square meters.