This township is located in the northeast of Ilam 737 kilometers from Tehran enjoying a mild mountainous climate and it is one of historical places of Ilam province. The old Shirvan was a city in the north of Seimareh of which many monuments are there. Among the ruins of the city there are many vestiges belonging to the Sassanide time. The ruins of Shirvan are the most perfect remains of a Sassanide city including strong houses with high walls made of stone. There is a huge building in the city known as Qasr-e-Anoushirvan (the palace of Anoushirvan). In 1983, according to the latest divisions of the country, it was changed to a township beginning its development.