noun, noun which may take the genitive case particle 'no'
north central region
Refers to the north-central part of a country, prefecture, or other geographical area. Often used in weather forecasts, regional descriptions, and administrative contexts.
It will snow in the north central region tomorrow.
The population is declining in the municipalities of the north central region.
中部 means 'central part'; 中北部 combines central and northern aspects.
Compound of 中 (ちゅう, 'central'), 北 (ほく, 'north'), and 部 (ぶ, 'part/region').