Kuala Lumpur, It is among the fastest growing metropolitan regions in South-East Asia, in both population and economic development. Kuala Lumpur is the cultural, financial and economic centre of Malaysia, home to the Parliament of Malaysia, and the official residence of the Malaysian King, the Istana Negara. The city once held the headquarters of the executive and judicial branches of the federal government as well, but they were moved to Putrajaya in early 1999. Some sections of the judiciary still remain in Kuala Lumpur. Kuala Lumpur is one of three Federal Territories of Malaysia, enclaved within the state of Selangor, on the central west coast of Peninsular Malaysia. Since the 1990s, the city has played host to many international sporting, political and cultural events including the 1998 Commonwealth Games and the Formula One Grand Prix. Kuala Lumpur has undergone rapid development in recent decades. It is home to the tallest twin buildings in the world, the Petronas Twin Towers, which have become an iconic symbol of Malaysias futuristic development.