A word for this could be ethnocentrism.
location or region
Sectionalism
A nation has sovereignty, whereas a region is just a geographical locale.
Partisan, biased, unfair are possible words.
In the region of palestine.
The term you are referring to is "regionalism," which describes a strong sense of pride, identity, and loyalty to a specific region within a country. Regionalism can sometimes lead to tensions or conflicts between different regions within a nation.
A region supervised by another nation is typically called a "protectorate." This arrangement allows the supervising nation to oversee the affairs of the region while still allowing it some degree of autonomy.
Mexico is a nation, located in the North American continent.
why is the region, midwest, called the nation breadbasket
Mexico is a nation, located in the North American continent.
Imperialism
Palestine.