territory vs geographic area

territory and geographic area both are nouns.

Word	Noun	Adjective	Verb	Adverb
territory	Yes	No	No	No
geographic area	Yes	No	No	No

As nouns, geographic area is a hypernym of territory; that is, geographic area is a word with a broader meaning than territory:

territory: the geographical area under the jurisdiction of a sovereign state
geographic area: a demarcated area of the Earth

Other hypernyms of territory include geographic region, geographical area, geographical region.

territory (noun)	geographic area (noun)
an area of knowledge or interest	a demarcated area of the Earth
a region marked off for administrative or other purposes
the geographical area under the jurisdiction of a sovereign state