encampment vs camping area

encampment and camping area both are nouns.

Word	Noun	Adjective	Verb	Adverb
encampment	Yes	No	No	No
camping area	Yes	No	No	No

As nouns, encampment and camping area are synonyms defined as:

encampment and camping area: a site where people on holiday can pitch a tent

Other synonyms of encampment include bivouac, campground, camping ground, camping site, campsite.

encampment (noun)	camping area (noun)
the act of encamping and living in tents in a camp	a site where people on holiday can pitch a tent
temporary living quarters specially built by the army for soldiers
a site where people on holiday can pitch a tent