municipality
It is usually called the capitol.
A capital city.
slaves
capital
Harare
The center of a state government is located in its state capital. The national capital is the center of the national government.
A city/county government have jointed to form a single government is called a consolidated city/county government.
A government in which a city ad county government have joined to form a single government is called a consolidated city and county government.
the center of a city - state is a temple witch is also called a ziggurat.
The center of most Mexican cities is called the plaza. The plaza is where the center of the government is located, as well as many historic sites. It is the cultural center of the city.
I believe it is called a city charter
no
yellow knife
The center of activity in a Roman city was called a forum.
City charter
. . . a consolidated city-county .