penal institution
penal facility

Johnson's primary interest lay in improving the state's mental and penal institutions.

Experts at the time considered the prison to be one of the most modern penal institutions in the world.

"It is more like a military camp than a penal institution," he said.

Since the mid-19th century, the area has been home to various penal institutions.

Should the need arise, they could visit some penal institutions.

Is this vast penal institution the best solution to crime?

There was, for instance, the young woman who wrote to me from a penal institution in Minnesota.

In many penal institutions up to 10 % of inmates are infected.

As far as I can tell, he hasn't shown up in any major penal institutions.

"I'm afraid I don't have an address or a telephone number, but later on you might check the penal institutions."