B1 a particular area or part of the world, or any of the large official areas into which a country is divided:
one of China's autonomous regions
the Nordic/Asia-Pacific region
the Basque region
› an area of a country, especially one that has a particular characteristic or is known for something:
mountainous/coastal regions
› a particular part of someone's body:
in the region of
C1 approximately:
They estimate that the temperature yesterday was (somewhere) in the region of -30°C.
It will cost something in the region of $1 million.
More examples
Thesaurus: synonyms and related words
Towns & regions: parts of countries
You can also find related words, phrases, and synonyms in the topics: