
Botum Sakor National Park is the largest national park of Cambodia. Situated on the coast of the Gulf of Thailand, Botum Sakor is a peninsula projecting southwest from the Cardamom Mountains. The national park comprises an area of 1,825.85 km2 (704.96 sq mi) and spans three districts of Koh Kong Province: Kiri Sakor, Botum Sakor and Koh Kong. The park is under the administration of the Cambodian Ministry of Environment.

The Central Cardamom Mountains National Park is a protected area in the central parts of Cambodia's Cardamom Mountains, covering 4,013.13 km2 (1,549.48 sq mi). It was established in 1999 as a protected forest under management by the Forestry Administration, and in 2016 the Ministry of Environment assumed responsibility.

Dong Peng is a protected multiple use management area in the Koh Kong Province of Cambodia. It is located on the north end of the Bay of Kompong Som.

Kirirom National Park and officially recognized as Preah Suramarit-Kossamak Kirirom National Park is a national park in Cambodia. It is located mostly in Phnom Sruoch District, Kampong Speu Province, while a smaller section is in neighboring Koh Kong Province.

Koh Kong (Khmer: កោះកុង; is an island in the Gulf of Thailand, in the coastal waters of Cambodia, around 10 km south of Koh Kong town, as it is part of Koh Kong Province. It is Cambodia's largest island.

Koh Russei,Koh Russey or Bamboo Island is one of a group of small islands in the Gulf of Thailand, located about 4.5 km (3 mi) off the coast of Sihanoukville city in southern Cambodia. It is administered by Prey Nob District in Sihanoukville Province.

Koh Sdach island is located in the Gulf of Thailand, around 1.5 km (1 mi) off the coast of Botum Sakor national park, in the Kiri Sakor district in Koh Kong province, Cambodia. It belongs to a small archipelago of 12 islands, all in relative proximity to each other and to the main land. A fishing community inhabits the island, with people of Khmer, Chinese, Thai and Vietnamese descent. The village stretches along the east side of the island; to the west there is a small Khmer run bungalow guesthouse; at the southern end of the island lies a luxurious holiday resort. Koh Sdach has two beaches, one to the south and one westerly facing.

Peam Krasop Wildlife Sanctuary is a protected area located in southwestern Cambodia, covering 245.91 km2 (94.95 sq mi). It was established in 1993.