noun
city planning area; urban planning area; urban zoning district
A legal term defined by the City Planning Act; an area designated for comprehensive urban planning and development control.
この地域は都市計画区域に指定されています。
This area is designated as a city planning area.
都市計画区域内では、建築制限が適用される場合があります。
Building restrictions may apply within urban planning areas.
Compound of 都市 (city), 計画 (planning), and 区域 (area). A modern legal term with no historical derivation beyond its components.