Brujen (Boroujen) is located on the plains surrounded by mountains in Chaharmahal and Bakhtiari Province. The capital of which is Shahr-e-Brujen which is 571 km from Tehran. Standing at an attitude of 1,980 m. it has moderately a cold climate, along with greenery and natural beauty in abundance - having cold winters and cool summers.
The exact foundation date is not well known. However, based on the most ancient graveyard found in the city dating back to 1596 AD (1004 Hijri Qamari), one can calculate the date in which the people started to live in the region. The date in which the population becomes centralized in the region and the first municipality was created comes back to the Constitutional Revolution in which the Saad ad-Daula has gathered in the city with his forces to depart to invade Esfahan and then Tehran.
Boroujen is well known by its extremely cold weather, usually mentioned as one of the coldest Iran cities in national weather forecasts. It is located on an altitude of about 2197 m from sea levels. Its climate is usually combined of moderate summer climates as well as very cold winters. Snow days are normally 122 days per year, and the temperature could reach -27 °C.