This mosque is also known as the Shah mosque, and is a remnant of the Qajar period . The courtyard of the mosque is 61 x 47 sq. m. which has a pool in the center. The mosque has three large entrances. The northern entrance has an arched ceiling, adorned with plaster and tile works. On the entrance door is a saying from the Prophet Mohammad. The date 1291 AH. can also be noted on the inscription. The Soltani Mosque of Borujerd is one of the active centers of theology in Iran. The mosque has 16 chambers with carved doors , each one is a master-piece of architecture. There is an engraving in the southern porch dating to the reign of Fath Ali Shah Qajar. This inscription reveals that during the rule of Mohammad Taqi Mirza Hessam - ol - Saltaneh, bakers were exempted from paying tax. This mosque is the most important mosque of Lurestan province due to the fact of it being one of the historical and ancient mosques, and also because of its architecture. The Late Ayatollah Borujerdi, who was the spiritual leader of the Shiite sect worldwide, was a teacher of theology in this seat of learning.