Southeast Asia

2. is a major south-flowing river in South Asia.
4. an East Asian nation on the southern half of the Korean Peninsula
5. a peninsula in East Asia. It extends southwards for about 1,100 km
7. a populous nation in East Asia whose vast landscape encompasses grassland, desert, mountains, lakes, rivers
9. the name given to the northern part of the East China Sea
13. is a desert in southwest Xinjiang Uyghur Autonomous Region, northwest China
14. a marginal sea between the Japanese archipelago, Sakhalin, and the Asian mainland
16. a vast, arid region in northern China and southern Mongolia. It's known for its dunes
19. the third largest of the world's oceanic divisions, covering 70,560,000 km²
20. an island nation in the Pacific Ocean with dense cities, imperial palaces

1. the second-longest river in Asia
3. is a mountain range in Asia separating the plains of the Indian subcontinent from the Tibetan Plateau
6. a vast South Asian country with diverse terrain
8. a marginal sea that is part of the Pacific Ocean, encompassing an area from the Karimata and Malacca Straits to the Strait of Taiwan
9. the longest river in Asia and the third-longest in the world
10. a trans-boundary river of Asia which flows through the nations of India and Bangladesh
11. a trans-boundary river in Southeast Asia. It is the world's 12th-longest river and the 7th-longest in Asia
12. the largest bay in the world, forms the northeastern part of the Indian Ocean
15. a Southeast Asian nation made up of thousands of volcanic islands
17. Southeast Asian country on the South China Sea known for its beaches, rivers, Buddhist
18. a country in East Asia, in the northern part of the Korean Peninsula