The township of Delijan is to the south east of MARKAZI province, and at an intersecting point. It is located en route the Esfahan - Tehran Road, and is 409 km. from Tehran. In the past Delijan was a very big city with four gates on four sides. It is said that it extended almost to Khorheh. Chal-nakhjir Cave or Delijan Cave is one of the natural touristic attractions of Delijan.
Historical relics such as earthenware, ditches, and beautiful bricks confirm its greatness and antiquity. Due to its geographical position, Delijan has gradually developed and in 1980 was changed to a township. The famous caves of Chal Nakhjir and Kahak are near this township.
Delijan is an industrial city and is home to several popular carpet companies like the Mahestan, Setareh Talaii and Said companies. Also home of several companies producing a type of roof isolation called "Isogam".The area North-East of Delijan is populated by seven villages, this area is referred to as Jasb.