The phrase "particular region" refers to a specific area or location, often with distinct characteristics or boundaries that set it apart from other areas. Full definition
We think not only of objects as self - contained in particular regions of space and related to one another only externally, but we think of human selves that way, too. (religion-online.org)
These techniques have allowed scientists to investigate mental operations in humans, such as reading or memory, and to link these to activity in particular regions of the brain. (kavlifoundation.org)
Many scientists have issued forecasts earlier claiming to know what future climates for particular regions would be like. (notrickszone.com)