work camp
prison camp
prison farm

A country which has done nothing to get the thousands of people in work camps released.

"And the advance is on its way to one of the work camps?"

A work camp was built on the site of the town.

I've made arrangements to move them tomorrow up to one of the work camps.

He was arrested three times and eventually sent to a work camp.

The book then goes on to describe life in different types of work camps.

He was then moved with many others to a work camp and experienced hard labor for a few months.

Two miles beyond the work camp, they saw what had happened.

The bus to the work camp was parked outside the open door.

Caught by the police, he is given 6 to 10 years of hard labor in a work camp.