The phrase "a narrow circle of" is correct and usable in written English.
It can be used to describe a small, exclusive group of people or things, often implying limited access or participation.
Example: "The decision was made by a narrow circle of advisors, leaving the rest of the team in the dark."
Alternatives: "a small group of" or "an exclusive group of".
He is reliant on a narrow circle of narrow thinkers.
In death, Scarpia takes up yet more harmonic space, leaving only a narrow circle of notes in which to stand.
They are drawn up by a narrow circle of experts and simply cannot take into account all the possible consequences".
The realization has set in that these choices will be made far from public view by a narrow circle of people.
Relying on a narrow circle of trusted individuals and a network of international alliances, Kabila's power is built on patronage rather than a political base.
By contrast, a case for segregation based solely on Biblical passages that seem to forbid the mixing of races would have no purchase outside a narrow circle of believers.
People with a concentrated network have a narrower circle of friends, but if it is too dense you have erected an insular and stultifying social fortress.
The Greens' defection came less than 24 hours after Mr. Cowen agreed to step down as the Fianna Fail leader but vowed to stay on as prime minister until after an election, a face-saving compromise that was widely derided across Ireland and backed only by a narrowing circle of Cowen loyalists within Fianna Fail.
Reduction of the qualitative and quantitative composition of the bird populations from main habitats, compared to more southern latitudes, is accompanied by an increase in the relative abundance of some of them, that leads to a narrowing circle of dominant species.
"It is a very narrow circle of the ruling class which has money from oil, gas and a great corruption system".
The view from Payn's book is of a narrow circle in which repartee was elevated to the rank of a championship sport.
