Cambodia has only 3 major operating airports with commercial flights.The State Secretariat of Civil Aviation oversees the operations of all airports in Cambodia.Cambodia, officially the Kingdom of Cambodia, is a country in Southeast Asia that borders Thailand to the west and northwest, Laos to the north and Vietnam to the east and southeast.Siem Reap, a city located near the famed ruins of Angkor Wat is the gateway to the Angkor region, and is Cambodia's main destination for tourism.A fourth international airport in Koh Kong Province was announced in September 2016.