There is more than one place in the world called '''Center''', including:
Center is the seat of Oliver County, in the center of North Dakota.
Centre is a town in the Mountains region of Alabama.
'''Center''' may also refer to the district that is at the city or town center, such as:
The City Center of Vancouver.
The City Center of Munich.
Also be aware that while '''Center''' is the American spelling, other English speakers may spell the same word as '''Centre''', which is same as French.
Centre-Val de Loire, a region of France, formally known as '''Le Centre'''. The "Val de Loire" addition here is more from a tourist point of view.