The Soltani Mosque of Borujerd is a large mosque in the centre of Borujerd , in the province of Lorestan , western Iran .
The edifice was built in the Qajar period atop the ruins of an older mosque , which had been probably built in the 10th century AD . Soltani means related to Sultan , which refers to Fath Ali Shah Qajar , who ordered this building to be rebuilt .
The stone inscription on the surface of its western portico bear the date 1248 AH (1832-33 AD) , and on the wooden door opening on Ja’fari Avenue , the date 1291 AH (1874-75) can be read .
The plan of the mosque is of the four-arced type , with three main entrances . The western entrance gives access to the Great Bazaar of Borujerd . The mosque’s yard measures 61×47 m , and the roof arch of the southern prayer all has a height of approximately 17 m . The interior decorations of the mosque consist of tile works , stucco carving and moqarnas chiseling . The stones of the northern portico’s main base are also decorated with very fine patterns .
Soltani Mosque of Borujerd was known as Masjed Shah in the Pahlavi Dynasty and today it is called Masjed-e Imam Khomeini . It is nationally registered and protected . However , it was badly damaged during the Borujerd earthquake , March 2006 .