Meaning of “regional” - Learner’s Dictionary

regional

adjective us uk /ˈriːdʒənəl/
Extra Examples
The team plays in the regional league.There are large regional variations in average income.The regional government is widely regarded as corrupt.She won her regional heat and is now through to the national finals.The company has several regional offices.

B2 relating to a region (= particular area in a country):

a regional dialect/newspaper

(Definition of “regional” from the Cambridge Learner’s Dictionary © Cambridge University Press)