The phrase "a gathering of around" is correct and usable in written English.
It can be used when referring to an event or meeting where people come together, typically indicating an approximate number of attendees.
Example: "We expect a gathering of around fifty people at the community event this weekend."
Alternatives: "a group of approximately" or "an assembly of about".
A similar message came from the United States ambassador, Richard Norland, who attended a gathering of around 3,000 calling for the annulment of election results in the western city of Zugdidi.
Shortly after the FBI press conference, Clinton spoke to a gathering of around 7,500 delegates at a National Education Association conference in Washington but made no mention of the case.
A group of Jerusalem artists this week opened the city's first unofficial Iranian 'embassy of culture' with a gathering of around 500 Israelis, many of whom moved to Israel after the 1979 Iranian Revolution.
A few doors up sits a gathering of men around a platter, two shot glasses and a small teapot on a charcoal burner.
"I've never known such a gathering of momentum around H.I.V. as in the last month or so," said Mark Heywood, who directs the AIDS Law Project based in Johannesburg.
This focus on community formation should remind us of the Christian concept of ecclesia, a gathering of people around a common message or purpose.
The event began as a peaceful gathering of around 60,000 people who had assembled to demonstrate over parliamentary reform and the formation of trade unions, which at this time were still illegal.
"He's worried about your levels," Bertoldi saw such a gathering of yammering ghosts around Lynn, a freelance writer, that she could barely hear.
The daily column formerly known as The Opinionator -- a gathering of opinion from around the Web -- continues, renamed and reconfigured.
As well as the meeting in Paris this week, Pope Francis hosted a gathering of mayors from around the world to discuss environmental challenges, migration and modern slavery.
That is why the synod on the family, a gathering of bishops from around the world in Rome which ends on Sunday, matters so very much.
