Surrounding area (8)
(Other definitions for vicinity that I've seen before include "Surroundings" , "Nearby area" , "Neighbourhood" , "Surrounding or nearby region" , "environs" .)
'surrounding area' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for environs that I've seen before include "Surrounding area" , "What's about" , "Surroundings" , "neighbourhood" , "Goes round" .)