"unlikely areas" is a correct and usable phrase in written English.
It can be used when describing an unexpected or uncharacteristic location or situation. Example: The city's booming art scene has spread to unlikely areas like abandoned warehouses and industrial parks.
The ripple effect is spreading to some unlikely areas.
But amateurs can make valuable contributions in some unlikely areas.
The collective effort to make an instant impact through expressiveness and size is perceptible even in unlikely areas.
His encyclopedic knowledge spread into unlikely areas, for example, beer: he seemed to know, have tasted, and developed a decided opinion about every brand available.
Yet Mr. Bubbins eagerly plays the role of urban nature scout, ducking into unlikely areas where he and his supporters have identified five spots that could be developed into waterfront parks.
In the 10 years since Schwartz wrote his book, the ideology of unlimited choice has expanded into unlikely areas – schools, sex, parenting, TV – and expectations have risen as a result.
According to Smith, so is another unlikely area: news.
These tools emerged from a very unlikely area of research how simple bacteria fight off virus infections.
I suspect that even in its present unlikely area of pasta and pizza storefronts, on the corner of Lake Avenue, business will be deservedly brisk.
It's a rather remote hideaway in an unlikely area for a restaurant: among modest homes that might have originally served as summer houses or fisherman's places.
Yet even if the move was driven by expediency, there is still something both brave and inspired about relocating to this unlikely area, which could then be transformed by the embassy's arrival.
