The phrase "a gathering of fans" is correct and usable in written English.
It can be used to describe an event where fans of a particular interest, such as a sports team, movie, or music artist, come together.
Example: "The stadium was filled with a gathering of fans eagerly awaiting the concert to begin."
Alternatives: "a fan assembly" or "a fan meetup".
She once told a gathering of fans that she consulted an astrologer on player trades.
As Snyder walked Lisa's Booby Trap back to her barn on the Saratoga backstretch, a gathering of fans gave her a warm round of applause.
Proust is so popular these days that in San Francisco a gathering of fans called the Proust Support Group has had to form a second section because so many people signed up to read The Novel.
In October, in an appearance that coincided with the league's annual game in London, Commissioner Roger Goodell told a gathering of fans that the rate of touchbacks was higher than the league expected and that he thought the league had not come up with the best solution yet on how to reduce injuries but not substantially limit one of the game's most exciting plays.
He was so skilled that he attracted a gathering of fans at the 2002 Anime USA convention, wrote a co-worker on another part of the site.
Bateman and Arnett's visit happened to coincide with a so-called never nude convention – a gathering of fans wearing nothing but short, fitted denim cut-offs in the manner of Tobias Fünke.
Though no one connected with "Buffy" attended, there were, as at any gathering of fans, definite favorites among the actors.
Jim Fassel, the former Giants coach, made an appearance at a gathering of Giants fans last weekend on the eve of the National Football Conference championship game at Green Bay.
On Sunday from 2 to 6 p.m. there will be a gathering of Beatles' fans with music, speakers and trivia contests at the Croton Reservoir Tavern, 108 West 40th Street.
Flowers and messages have been left in front of the mural that is daubed on a wall of a Morley's store in the district and has led to a Facebook event being set up for a gathering of Bowie fans.
The Afropunk festival, which started in 2005 as a gathering of punk fans of color, has since expanded to include alternative black musicians from other genres while attempting to maintain a radical, socially-conscious brand.
