The phrase "area administered" is correct and usable in written English.
It can be used to refer to a specific region or territory that is governed or managed by a particular authority or organization.
Example: "The area administered by the local government has seen significant development in recent years."
Alternatives: "region governed" or "territory managed".
On Tuesday, seven Chinese patrol ships entered waters around the islands, the latest of many such incursions into the area administered by Japan, according to the Japanese Coast Guard.
Another symbolic element of the site is that, while close to many financial institutions, it lies just outside the area administered by the very wealthy – and, activists claim, highly unrepresentative – Corporation of London, in Hackney, one of the UK's most deprived boroughs.
A noncommercial motor route, the Blue Ridge Parkway, stretches 469 miles (755 km) from the Shenandoah National Park in northern Virginia to the Great Smoky Mountains National Park and is the most popular area administered by the U.S. National Park Service.
It extends southeastward for more than 200 miles (320 km) from the Nilam (Kishanganga) River in the western Azad Kashmir area (administered by Pakistan), through southwestern Jammu and Kashmir state (administered by India) to the upper Beas River in northwestern Himachal Pradesh state, India.
Administratively, the archipelago is not part of any Norwegian county, but rather forms an unincorporated area administered by a state-appointed governor.
The helicopter was shot down near the village of Podrute, located in an area administered by the city of Novi Marof, north of Zagreb.
If the person recently received an injection in one area, administer the shot in a different spot on their body.
Peshmurga officers ordered troops to withdraw to areas administered by the Kurdish regional government – a clear sign of priorities and of where the battle lines are being drawn.
The use of snowmobiles for recreational purposes has long been prohibited at some areas administered by the park service, Glacier National Park in Montana and Yosemite National Park in California.
The Georgian authorities still want Russian forces to withdraw from Akhalgori, a district in South Ossetia, and from the Kodori Gorge in Abkhazia — areas administered by Georgia before the August war.
The bodies of six young men from the area had just been brought back from graves near the "line of control" that divides Kashmir into areas administered by India and Pakistan.
