The As Syakirin Mosque (Malay: Masjid As Syakirin), also known as KLCC Mosque, is a mosque located in the Kuala Lumpur City Centre, Kuala Lumpur, Malaysia. The mosque is situated near the Suria KLCC shopping centre and the Petronas Twin Towers, the tallest twin towers in the world. In 2009, the mosque went through a major renovation to increase the capacity from 6000 people to 12,000 people. Mosque initially registered as a prayer on 12 July 1999 for Petronas staff, and status as a mosque before being administered by the Federal Territory Islamic Religious Council (religious council).