The Tuanku Mizan Zainal Abidin Mosque, or Iron Mosque is the second principal mosque in Putrajaya, Malaysia after Putra Mosque. It is located in Putrajaya's Precinct 3, opposite the Palace of Justice. Construction began since April 2004 and was fully completed on August 2009. It was officially opened by the 13th Yang di-Pertuan Agong, Tuanku Mizan Zainal Abidin on 11 June 2010.