noun, noun which may take the genitive case particle 'no'
rear area; rear region
Refers to an area behind the front lines or main activity zone, often in military or logistical contexts. Can also be used more generally for a back area.
部隊は後方地域に撤退した。
The troops withdrew to the rear area.
後方地域の支援活動
Support activities in the rear area are important.