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. Compare earlier subnation.

Pronunciation

subnational

/sʌbˈnaʃən(ə)l//sʌbˈnaʃ(ə)n(ə)l/