Northern Territory vs territory

Northern Territory and territory both are nouns.

Word	Noun	Adjective	Verb	Adverb
Northern Territory	Yes	No	No	No
territory	Yes	No	No	No

Northern Territory (noun)	territory (noun)
a territory in north central Australia	an area of knowledge or interest
	a region marked off for administrative or other purposes
	the geographical area under the jurisdiction of a sovereign state