a site where people on holiday can pitch a tent
"We set up our sleeping bags and lanterns at the campground to enjoy the night sky under our tents."
An area where tents are pitched.
"The family drove to the designated campground, a flat meadow perfect for pitching their tent under the stars."
In plain English: A campground is an outdoor area where people park their cars and set up tents to sleep while visiting nature.
"We parked our car at the crowded campground near the lake."
Campground is a straightforward compound word formed by combining "camp" and "ground." It was first used to describe an area designated specifically for setting up campsites.