禁区 (jìn qū): พื้นที่จํากัด

This military base is a restricted area; without a pass, no one is allowed to enter.

A restricted zone has been designated around the nuclear power plant to prevent radiation from harming residents.

In the library, eating is a no-go area; everyone must follow the rules.

That forest has been declared a restricted area by the government because it is home to many dangerous wild animals.