administrative district vs territorial division

administrative district and territorial division both are nouns.

Word	Noun	Adjective	Verb	Adverb
administrative district	Yes	No	No	No
territorial division	Yes	No	No	No

As nouns, administrative district and territorial division are synonyms defined as:

administrative district and territorial division: a district defined for administrative purposes

Other synonyms of administrative district include administrative division.

administrative district (noun)	territorial division (noun)
a district defined for administrative purposes	a district defined for administrative purposes