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In page Kuala Lumpur:

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From the 1990s onwards, major urban developments in the Klang Valley have resulted in an extended Kuala Lumpur Metropolitan Area.[19][20] This area, known as Greater Kuala Lumpur, extends from the Federal Territory of Kuala Lumpur westward to Port Klang, east to the edge of the Titiwangsa Mountains as well as to the north and south. The area covers other administratively separate towns and cities such as Klang, Shah Alam, Putrajaya and others,[21][22] and it is served by the Klang Valley Integrated Transit System. Notable projects undertaken within Kuala Lumpur itself include the development of a new Kuala Lumpur City Centre around Jalan Ampang and the Petronas Towers.[23]