'''Cambodia''' (; also '''Kampuchea''' ; ,  ), officially the '''Kingdom of Cambodia''', is a country located in the southern portion of the Indochinese Peninsula in Mainland Southeast Asia. Cambodia spans over  in area and bordering with Thailand to the northwest, Laos to the north, Vietnam to the east, the Gulf of Thailand to the southwest, and maritime border with Malaysia and Indonesia. Phnom Penh is the nation's capital and largest city.