After Appearance of Islam, Mosques, which were added to the urban elements of Islamic towns, gradually became their most valuable component. As Islam spread throughout Iran (since 14th Century), fire temples receded in favor of mosques. Every neighborhood in Iranian towns has at least on mosque, in which devoted Muslims gather three to five times a day for prayers. Every Friday, people congregate in a place called Jom'eh (Friday) Mosque for prayers and their politic- religious duties. Jom'eh Masque is also called Jam'e (main) Mosque.
Malek mosque, which is one of the oldest and largest mosques in Kerman and probably Iran, its site located in the north-east of old city of Kerman, This mosque was built at Seljuk period which was the fifth Hijri century. Its width is more than 107m and there are for “Shabestan” (part of a mosque designed for sleeping or nocturnal praying) in its four sides.