Kuala Lumpur, officially the Federal Territory of Kuala Lumpur (Malay: Wilayah Persekutuan Kuala Lumpur), (Jawi: ولايه ڤرسكوتوان کوالا لومڤور) (Chinese: 吉隆坡聯邦直轄區)) and commonly known as KL, is the national capital and largest city in Malaysia. As the global city of Malaysia, it covers an area of 243 km2 and has an estimated population of 1.73 million. Greater Kuala Lumpur, also known as the Klang Valley, is an urban agglomeration of 7.25 million people. It is among the fastest growing metropolitan regions in Southeast Asia, in both population and economic development.