Phnom Penh is the capital and largest city of Cambodia. Phnom Penh has been the national capital since the French colonized Cambodia, and has grown to become the nation's center of economic and industrial activities, as well as the center of security, politics, economics, cultural heritage, and diplomacy of Cambodia. Once known as the “Pearl of Asia”, it was considered one of the loveliest French-built cities in Indochina in the 1920s. Situated on the banks of the Tonlé Sap, Mekong and Bassac rivers, the Phnom Penh metropolitan area is home to more than 2 million of Cambodia’s population of over 14 million. The city is the wealthiest and most populous city in Cambodia and is home to the country’s political hub.