Kep formally known as Kep Province is the smallest province of Cambodia covering 336 km2, with a population of 40,280. It is one of the newest Cambodian provinces created by Royal Decree on 22 December 2008, which separated Kep municipality from the province of Kampot, as well as adjusting several provincial borders. The provincial capital is Kep District and the province contains the Kep National Park.
The territory of Kep is entirely surrounded by Kampot Province except for the 16 km of sea coast on the southern side fronting the Gulf of Thailand and the Vietnamese island of Phu Quoc. The western limit is 20 km from the town of Kampot. The eastern limit is some 20 km from the Vietnamese border.