A place set aside for protesters so they won't cause problems

The purpose of a free speech zone is to designate a specific area where individuals can express their opinions and ideas freely, often on controversial topics, while still ensuring the orderly function of an event or space. It allows for the protection of free speech rights while also balancing the need for safety and organization in certain settings.

End zone is a noun.

Freedom of Speech protects your rights to free speech.

Free Zone - Scientology - was created in 1950.