The Republic of Maldives, commonly known as the Maldives, is located about 500 km southwest of Sri Lanka and India in the waters of the Indian Ocean, and is part of the South Asian region.

The Democratic Socialist Republic of Sri Lanka, commonly known as Sri Lanka and before 1972 as Ceylon, is an island nation located off the southeast of the South Asian-Indian subcontinent and belongs to Asia.

The Islamic Republic of Pakistan, commonly known as Pakistan, is located in South Asia and has a physical control area of 881,913 square kilometers, bordered by India to the east, the Indian Ocean to the south, Iran to the west, Afghanistan to the northwest, and Xinjiang, China to the northeast.

The Republic of India, commonly known as India, is a country located in the Indian subcontinent of South Asia, the seventh largest in the world in terms of area, and the second largest in Asia, with approximately 3.16 million square kilometers of actual territory under its control.

The People’s Republic of Bangladesh, commonly known as Bangladesh, is a South Asian country located in the eastern part of Bangladesh, north of the Bay of Bengal; a small part of the southeastern mountainous region is bordered by Myanmar, while the rest of the country is bordered by India.

The Kingdom of Bhutan, commonly known as Bhutan, or Brookpa in Qing dynasty history, is a landlocked South Asian country located on the southern slopes of the eastern Himalayas between China and India.

The Federal Democratic Republic of Nepal, commonly known as Nepal, is a landlocked country in the Himalayan region of South Asia, bordered by China to the north, India on the remaining three sides, and separated from Bangladesh by a corridor of only 27 kilometers.

The Democratic Republic of Timor-Leste, commonly known as East Timor, is a country located on the eastern tip of the island of Timor in Southeast Asia and was one of only two Portuguese colonies in the Far East (the other being Macau).

The Republic of Indonesia, commonly known as “Indonesia” or simply “Indonesia”, is a Southeast Asian country consisting of 17,506 islands and is the largest archipelagic country in the world, spanning Asia and Oceania, known as it is the largest archipelago in the world, spanning Asia and Oceania, and is also known as the “Land of 10,000 Islands”.

The Republic of Singapore, also known as the Lion City, commonly known as Sing Tao, Sing Chau, or Singapore, is a city-state island and city-state located in Southeast Asia.