subregional

/sʌbˈriːdʒənəl/
adjective
  1. Relating to or characteristic of a smaller area within a larger region.
    • Subregional differences in dialect can be heard even within the same state.
    • The subregional trade agreement helped boost the economy of several neighboring provinces.
    • The organization focuses on subregional issues like water management in the river basin.
Synonyms
What does "subregional" mean? | whatsthatwordmean | whatsthatwordmean