Southeast asia

1. officially the Democratic People's Republic of a country in East Asia
4. south flowing river in south Asia and is the longest river in Asia
8. the sea that separates the Pacific Ocean and Japanese archipelago. It is bordered by Japan too
9. Southeast Asian nation made up of thousands of volcanic islands
11. nation in East Asia with flower blossom trees
12. trans-boundary river in Southeast Asia
14. mountain range in Asia separating the plains of the Indian subcontinent from the Tibetan Plateau
15. the sea that is south of china and is part of the Pacific Ocean
16. longest river in Asia and the third-longest in the world
19. the "East China Sea," and is ocated between mainland China and the Korean Peninsula
20. an East Asian nation on the southern half of the Peninsula, shares one of the world’s most heavily militarized border

2. a peninsula in East Asia extends southwards from continental Asia into the Pacific Ocean
3. the largest bay in the world and the bay that forms the northeastern part of the Indian Ocean
5. second-longest river in Asia
6. a desert in southwest Xinjiang Uyghur
7. trans-boundary river of Asia
9. the third largest ocean in the world
10. vast South Asian country with diverse terrain
13. Southeast Asian country on the South China Sea known for its beaches and rivers
17. arid region in northern China and southern Mongolia and is known for its sand dunes
18. island nation in the Pacific Ocean with dense cities