"regional thing" is a correct and usable phrase in written English.
You can use it when talking about something that is specific to a particular region or area. Example: "The tradition of eating fried chicken on Christmas day is a regional thing in the southern United States."
"It's a regional thing," Ms. Burns said.
It's not just a regional thing, it's a national event".
Miso is quite a regional thing, a bit like wine or cheese.
"It's a regional thing," said Mr. Holmes, who is president of the Michigan Darkhouse Angling Association.
It's not just a regional thing, it's about the human spirit, the setting just happens to be the Jersey Shore".
He swung into the regional thing as he re-entered the fray, referring to Iowa and its caucuses like a guy who's never going back there again, as "a quirky place, and a quirky process, to say the least".
The regional things united to form even larger units: assemblies of deputy yeomen from several regions.
They're free and in many places (not all- China has none) very complete guides to many local and regional things- transport, local fairs and holidays, farm walks, wineries, etc.
"You could think about Texas in the nineteen-eighties, when oil prices went down, or California in the nineteen-nineties, when the peace dividend hit the defense industry, but these were regional things," one Fed policymaker told me.
"You have big regional things that are happening - elections, the changing of the guard, the euro crisis".
They pine for the good old days when there were only a handful of bowl games, and they fed off long-standing rivalries between powerhouse teams, and they were named for actual physical things that had some regional association, things like roses, cotton, sugar, oranges and the bluebonnet — Texas' state flower, not the margarine.
