There are many mountains and plateaus, most of which lie in the western China. As we know, Tibetan Plateau is in western China and for its high altitude there is a clear division in geography.
On the other hand, the economic developments of eastern China and western China are very different. I think this is another division. But we usually think it is the terrain that separates eastern China from the western China.
If we dig deep, I think the economic development and cultural difference also matter.
If you just want to know about the geography of China, you can find some maps of China's terrain.
Yangtze River is the division of north China and south China in China.
The Qinling Mountains and the Huaihe River
the Qinling mountains
Depends on which neighbor you're talking about... To the North between the Philippines and Taiwan is the Luzon Strait To the East there are no more islands for a while To the South the Celebes Sea separates the Philippines from Indonesia To the SouthWest is the Sulu Sea that separates it from Malaysia To the West is the South China that separates it from Vietnam
The SOUTH CHINA SEA separates Vietnam from the Philippines.
The Yalu River divides China and North Korea.
Political system
The atlantic Ocean separates Africa from north and south America
The North south line.
The Cook straight separates the North and South islands of New Zealand.
South china sea
Mongolia
the Plateau of Tibet
Pacific Ocean Yes, although the Pacific Ocean can be said to be two oceans: the North and South Pacific Oceans. The North Pacific Ocean is the one that separates North and South America from Asia and the South Pacific Ocean is the one that separates South America from Australia.
Panama separates the North from the South