Sino-Tibetan, Sino-Tibetan language - the family of tonal languages spoken in eastern Asia

ASEAN, Association of Southeast Asian Nations - an association of nations dedicated to economic and political cooperation in southeastern Asia and who joined with the United States to fight against global terrorism

Asian country, Asian nation - countries occupying the Asian continent

Indochina, Indochinese peninsula - a peninsula of southeastern Asia that includes Myanmar and Cambodia and Laos and Malaysia and Thailand and Vietnam

Malay Peninsula - a peninsula in southeastern Asia occupied by parts of Malaysia and Thailand and Myanmar

Bangkok, capital of Thailand, Krung Thep - the capital and largest city and chief port of Thailand; a leading city in southeastern Asia; noted for Buddhist architecture

Chao Phraya - a river in Thailand formed by the confluence of the Nan and Ping Rivers; flows southward past Bangkok and empties into the Gulf of Thailand

Mekong, Mekong River - an Asian river; flows through a large delta in southern Vietnam into the South China Sea

Nan River, Nan - a river of western Thailand flowing southward to join the Ping River to form the Chao Phraya

Ping, Ping River - a river in western Thailand; a major tributary of the Chao Phraya

Tai, Thai, Siamese - a native or inhabitant of Thailand