What's the difference between "in the camp", "at the camp", "in camp" and "at camp"?

Question

Answer

* In the camp: Physically inside a specific camp.
* At the camp: Near or around the camp’s area.
* In camp: Actively participating in camp activities (common in the U.S.).
* At camp: Also means participating in camp life but used more widely.

In short:
* "In/at the camp" = location.
* "In/at camp" = involvement in camp activities.

Answer

Subtle differences only. They usually mean the same thing. It depends on the exact sentence & context.