The phrase "a protected zone" is correct and usable in written English.
It can be used to refer to an area that is safeguarded or restricted for specific purposes, such as environmental conservation or security.
Example: "The wildlife reserve is designated as a protected zone to ensure the safety of endangered species."
Alternatives: "a secure area" or "a safety zone".
In 1988 and again in 2003 a protected zone was expanded.
Finland has designed a CPB protection policy incorporating a protected zone, which is commonly used to deal with invasive plant pests in other European countries.
Also, it had the capacity to establish a protected zone in Syria, like the one it established for the Iraqi Kurds to protect them against Saddam Hussein following the Gulf war.
This was in sharp contrast to Seattle, where the police did not establish a protected zone.
General Alexander labeled the new network "a secure zone, a protected zone".
Last June, the Honduran government established a protected zone encompassing the three sites, within the existing biosphere preserve and the U.N. World Heritage site.
In October, California's State Water Resources Control Board granted the Monterey Bay Aquarium an exemption from "a state ban on dumping wastewater in a marine protected zone".
Just as the administration is arguing in the detainee cases for the exercise of presidential authority without judicial interference in policies related to the war on terrorism, it is making sweeping claims in the energy case for the existence of a constitutionally protected "zone of autonomy" for presidential advice received in the ordinary course of proposing legislation.
However, Srebrenica was also a NATO protected zone, (as the UN peacekeepers were to be backed up by superior NATO airpower).
In the meantime, other organisations persuaded the authorities to make the area an officially protected zone.
So you can imagine it more than a little embarrassing when Allen's 300-foot yachTatooshosh, was accused yesterday of destroying a coral reef in the Cayman Islands that has been in an officially designated protected zone for the past 30 years.
