Sihanoukville, Preah Sihanouk is a coastal city in Cambodia and the capital of Sihanoukville Province, at the tip of an elevated peninsula in the southwest of the country. the Gulf of Thailand. The city is flanked by an almost unbroken string of beaches along the entire coastline and coastal marshes bordering Ream National Park to the east. The city has one navigable river, the mangrove-lined Ou Trojak Jet that runs from Otres Pagoda to the sea at Otres. A number of sparsely inhabited islands - under the administration of Sihanoukville [4] - lie near the city, where moderate development in recent years has helped to attract a significant proportion of Asia's individual travellers, students and backpackers.