The phrase 'wide territory' is correct and usable in written English.
You can use it to refer to a large area or expanse of land. For example, "The company has expanded its business into a wide territory across the country."
Obviously, Cameron's experience and expertise cover a wide territory.
So, I asked, there's no sense of a wealthy central power ruling over a wide territory?
She wanders over a wide territory and scent-marks stones, the ground, and other surfaces….
China has a wide territory and different climates that will impact on the energy-saving rate of variable-air-volume system.
She wanders over a wide territory and scent-marks stones, the ground, and other surfaces with a waxy, hormone-rich secretion from a gland under her tail.
After the advent of the fur trade the Menominee spent increasing amounts of time dispersed in mobile bands over a wide territory, particularly for winter hunts.
Between 1411 and 1420 the city seized the wide territories of the ecclesiastical prince, the patriarch of Aquileia in Friuli.
A comparison with how contemporary China and Soviet-era northeast Asia handle(d) timekeeping and coordination across wide territories would probably be helpful.
Airports obviously serve wide territories, and many different parameters can influence the size and shape of their catchment areas.
Saturn's 440 U.S. showrooms versus 4,215 for Chevrolet are spread over wide territories, making it tough for customers to play one dealer against another.
She hypothesized that large chimpanzee troops use drumming to keep track of one another as they roam their wide territories, which can range from the size of New York City's Central Park to the size of Manhattan island.
