camping site vs camping area

camping site and camping area both are nouns.

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

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

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

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

camping site (noun)	camping area (noun)
a site where people on holiday can pitch a tent	a site where people on holiday can pitch a tent