Egypt
Memphis
The Vatican City (yes it is a nation!)
Rome.
Singapore
China
A nation is nation different from a state in various ways. A nation will have a president but a state does not have a president as they are under one nation.
the worlds most populous nation is china ;)
India
Brazil
Worlds End State Park was created in 1932.
This is known as a nation-state. In a nation-state, the political boundaries of the state align with the cultural or ethnic boundaries of the nation.