The phrase "active in the territories" is correct and usable in written English.
It can be used to describe involvement or engagement in specific areas or regions, often in a political, social, or business context.
Example: "The organization has been active in the territories affected by the recent conflict, providing aid and support to the local communities."
Alternatives: "engaged in the regions" or "operating in the areas".
Mining companies are active in the territory and pay royalties that fill the coffers of the territorial and federal governments, as well as Inuit organizations.
As political parties became active in the territory, demands for increased local control over governmental decision making became more insistent.
In Angola's case, its colonial power – Portugal – was present and active in the territory, in one way or another, for over four centuries.
At larva stage construct 2B is specifically active in the corresponding anterior territories observed at tailbud stage.
In the mid-1980s, as the community faced an ongoing environmental crisis caused by industrial pollution, the need to become active in the research occurring within Akwesasne territory became evident to many in the community.
Tomorrow, perhaps, countries could be responsible only for the local activities of any global firm active in their territory.
He was also active in the affairs of Holland, extended his territory northward, and acquired ducal rank as William I in 1356 and the hereditary office of marshal of the empire.
The southern brigade is active in the region close to Western Sahara, near territory claimed by al Mourabitoun, a militant group led by former AQIM chief Mokhtar Belmokhtar.
The jihadist Islamic State in Iraq and the Levant (Isis) group has been active in the conflict in Syria and now controls territory on both sides of the border.
Itar-Tass quotes the press agency of the self-proclaimed Donetsk People's Republic, which says "journalists, cameramen, and photographers will be prohibited during warfare from taking photo, video, or audio, and furthermore from being in active combat zones or in the territory of immediate military objectives".
