Definition of subnational in English:

subnational

adjective

  • Of, relating to, or designating a region or group within a nation; below a national level.

Origin

Mid 19th century. From sub- + national.

Pronunciation

subnational

/sʌbˈnaʃ(ə)n(ə)l/ /sʌbˈnaʃən(ə)l/