Southeast Asia - a geographical division of Asia that includes Indochina plus Indonesia and the Philippines and Singapore

Burma, Myanmar, Union of Burma - a mountainous republic in southeastern Asia on the Bay of Bengal; "much opium is grown in Myanmar"

Cambodia, Kampuchea, Kingdom of Cambodia - a nation in southeastern Asia; was part of Indochina under French rule until 1946

French Indochina - the French colonies of Cambodia and Laos and Vietnam were formerly organized as French Indochina

Lao People's Democratic Republic, Laos - a mountainous landlocked communist state in southeastern Asia; achieved independence from France in 1949

Malaya, Malaysia - a constitutional monarchy in southeastern Asia on Borneo and the Malay Peninsula; achieved independence from the United Kingdom in 1957

Kingdom of Thailand, Siam, Thailand - a country of southeastern Asia that extends southward along the Isthmus of Kra to the Malay peninsula; "Thailand is the official name of the former Siam"

Annam, Socialist Republic of Vietnam, Viet Nam, Vietnam - a communist state in Indochina on the South China Sea; achieved independence from France in 1945

peninsula - a large mass of land projecting into a body of water