Buddhism is the state religion of Cambodia. Approximately 97% of Cambodia's population follows Theravada Buddhism, with Islam, Christianity, and tribal animism as well as Baha’i faith making up the bulk of the small remainder. The wat and sangha (monkhood), together with essential Buddhist doctrines such as reincarnation and the accumulation of merit, are at the centre of religious life.

Phnom Penh is the capital and most populous city of Cambodia. It has been the national capital since the French protectorate of Cambodia and has grown to become the nation's primate city and its economic, industrial, and cultural centre. Before Phnom Penh became capital city, Oudong was the capital of the country.