Sihanouk International Airport (formerly Sihanoukville International Airport; Khmer: អាកាសយានដ្ឋានអន្តរជាតិខេត្តព្រះសីហនុ; French: Aéroport international de Sihanouk) , located east of Sihanoukville City in Sihanoukville Province, is Cambodia's third largest international airport. It is named, like the province itself, after King Norodom Sihanouk. The airport is also known as Kang Keng Airport (Khmer: អាកាសយានដ្ឋានកងកេង). The IATA code KOS is derived from Sihanoukville's alternative name "Kampo…