"liberated area" is a correct and usable phrase in written English.
You can use it to refer to an area or region that has recently been freed from control from a particular political or oppressive force. For example, "The city of Metamora was a part of a liberated area after the revolution ended."
In 1940 he went to the Chinese Communist liberated area in Yenan, where he engaged in propagandist activities against the Japanese army, which was then attempting to occupy China.
The outline concept was that the Chetniks would set up a corridor through the Italian occupied zone of the NDH as far as the Partisan liberated area in western Bosnia and Lika, neutralising the Italians through a combination of vague promises, encouraging them to surrender, and disarming them if necessary.
The UN force will follow behind, securing liberated areas.
After the Persian Gulf war of 1991, looting was rampant in "liberated" areas, Iraqi officials said.
The Local Coordination Committees, an antigovernment group, called the killing "heinous" but blamed the Syrian Coalition for failing to secure "liberated areas".
However, the trickier part of the military campaign — stabilizing liberated areas, so that ISIS does not return — still lies ahead.
The meetings are intended to enlarge the 63-seat national coalition, the largest opposition group, with more members from the liberated areas inside Syria.
Meanwhile the opposition has expressed exasperation that the international community will not provide Patriot missiles to protect the liberated areas in the north of Syria.
Partisans of different political persuasions normally worked together in local Committees of National Liberation (CLNs), which coordinated strategy, cooperated with the Allies, administered liberated areas, and appointed new officials.
He also urged Somalia's transitional government to establish local administrations in newly liberated areas that are increasingly falling under the control of violent warlords.
However, certain armed groups in "liberated" areas are increasingly acting with hostility toward anyone opposing their behavior or disagreeing with their ideology.
