civic center vs municipal center

civic center and municipal center both are nouns.

Word	Noun	Adjective	Verb	Adverb
civic center	Yes	No	No	No
municipal center	Yes	No	No	No

As nouns, civic center and municipal center are synonyms defined as:

Other synonyms of civic center include down town.

civic center (noun)	municipal center (noun)
a center where the members of a community can gather for social or cultural activities	the center of a city
the center of a city