beneficiary zone; area of benefit
Technical term used in urban planning and public works to describe the area or population that will benefit from new infrastructure or facilities. Often contrasted with 受苦圏 (じゅくけん, 'burden zone').
See also: 受苦圏
The beneficiary zone of the new station was estimated to be within a 1-kilometer radius.
It is necessary to plan considering the balance between the beneficiary zone and the burden zone.
Compound of 受益 (じゅえき, 'benefit') and 圏 (けん, 'sphere' or 'zone'). The term is a modern coinage used in policy and planning contexts.