purlieu vs geographic area

purlieu and geographic area both are nouns.

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

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

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

purlieu (noun)	geographic area (noun)
an outer adjacent area of any place	a demarcated area of the Earth