The largest mosque in Erbil, named after Jalil Khayat who took the initiative for construction, but passed away in 2005 before it could be completed. His sons finished the project in 2007. The mosque architecturally resembles the style of the Mosque of Muhammad Ali in Cairo, and the Blue Mosque in Istanbul. It is widely regarded as having one of the most beautiful interiors. It relies on a combination of islamic architecture and al-Abbasi design, except for the domes which are of Ottoman design. Standing 48 m tall, the main dome with a diameter of 20 m dominates the mosque. It is surrounded by 4 half domes and 12 quarter domes. With an area of 15 000 m², the mosque has a capacity of 1 500 to 2 000 visitors.