47 countries in Asia, 11 countries in Southeast Asia:
Asia: (* - Southeast Asian country)
Turkey
Syria
Lebanon
Israel
Jordan
Yemen
Oman
UAE
Bahrain
Qatar
Kuwait
Iraq
Georgia
Armenia
Azerbaijan
Iran
Afghanistan
Pakistan
Maldives
Sri Lanka
India
Bangladesh
Bhutan
Nepal
Turkmenistan
Uzbekistan
Kyrgyzstan
Tajikistan
Kazakhstan
Mongolia
China
Japan
Taiwan
Philippines*
Myanmar*
Thailand*
Cambodia*
Laos*
Vietnam*
Singapore*
Brunei*
Malaysia*
Indonesia*
Timor-Leste*
Southeast Asia is made up of many small countries, so to answer your question we need the name of a country.
Siam was the former name for Thailand, the country in Southeast Asia.
It is apropiate because it the southeast section of Asia
Malay
Myanmar was previously known as Burma.
The continent southeast of India is Australia. It is a country as well as a continent, located in the Southern Hemisphere.
What is the name of a rainforest in Southeast Asia
The Beta Splendens is native to Southeast Asia, thus the name Siamese Fighting Fish.
Burma, which is the former name of the Republic of the Union of Myanmar, is a country in Southeast Asia. It has a total area of 676,578 square kilometers.
Indonesia
Mongolia is the name of a country. It is in the continent of Asia.
Myanmar