The document summarizes the southern coastal area of Cambodia, which covers four provinces: Koh Kong, Sihanoukville, Kampot, and Kep. The area has a population of around 960,000 people and its coastline extends 440 km along the Gulf of Thailand. The coastal area's economy is centered around farming, fishing, and increasingly tourism, with attractions like beaches, islands, and mangroves. It has been recognized as one of the most beautiful bays in the world. Sihanoukville in particular has become a hub of industry, tourism, and transportation as Cambodia's main port.