Tibet, province-level administrative region of China, located in a high-mountain area in the southwestern part of the country. It is officially called the Tibet Autonomous Region.

Bhutan, monarchy in South Asia, in the eastern Himalayas, on the Indian subcontinent. It is bounded on the north by the Tibet region of China, and to the south, east, and west by India.

India, officially Republic of India, country in southern Asia, located on the subcontinent of India. It is bounded on the north Afghanistan, China, Nepal & Bhutan; on the east Bangladesh, Myanmar & on the west the Arabian Sea & Pakistan.

Thailand, officially the Kingdom of Thailand (Prathet Thai, or “Land of the Free”), country in Southeast Asia. Thailand is the only Southeast Asian country never to have been occupied by any European or other foreign power, except in war.

Malaysia, constitutional monarchy in Southeast Asia on the South China Sea. Malaysia is divided into two regions, known as West Malaysia and East Malaysia. West Malaysia, consists of the southern portion of the Malay Peninsula and nearby islands.

Philippines, island republic in the western Pacific Ocean, within the Malay Archipelago, an island grouping that extends southward to include Indonesia & Malaysia. The 11 largest islands form most of the country’s land area.

Republic of Indonesia, island republic of Southeast Asia, constituting most of the Malay Archipelago. Indonesia is the world’s fourth most populous country after China, India, and the United States.