purlieu vs geographical area

purlieu and geographical area both are nouns.

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

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

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

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