Central Java Great Mosque (popularly known as Semarang Great Mosque) was constructed from 2002 to 2006 on 10 hectare land. Total area for main building is 7,669 square meters. Designed by Ir. H. Ahmad Fanani who won the contest for designing this one of most beautiful and modern mosques in Indonesia, mixing Javanese, Islamic, and Roman architectural styles. Use of the mosque was inaugurated by President of Republic of Indonesia, H.E. Susilo Bambang Yudhoyono on 14 November 2006.
There is a 20-meter (diameter) dome at center part of the main buiding, surrounded by four 62-meter (height) minaretes at each corner of the main building. Another interesting feature of the mosque is the solitary 99 meter minarete, named as Al Husna Tower. There area radio station at base of the tower, islamic museum at 2nd and 3rd floors, 360-degree revolving restaurant at 18th floor, and observatory deck at 19th floor. On a clear day, one can view beyond the city of Semarang from this observation deck.
At plaza of the mosque, there are six electrical-powered giant umbrellas (designed similar to those at Nabawi Mosque, Madinah) that can be opened and closed depending on wheather condition. Height of the umbrella is 20 meter and the diameter is 14 meter.