1.
Southeast Asia
The region of Asia south of China and east of India, including countries such as Thailand, Vietnam, Indonesia, the Philippines, and others.
東南アジア is composed of 東南 (southeast) + アジア (Asia).
Related geographic terms
Abbreviation: ASEAN (東南アジア諸国連合) is the major regional organization of Southeast Asian nations.
Usage: 東南アジア is a very common term in Japanese media, appearing in news about economics, tourism, and international relations. The region is a popular travel destination and important trading partner for Japan.