市し街がい化か区く域いきしがいかくいきFreq.FrequencyTop 100,000じ字FuriganaMeanings1nounurbanization promotion arealaw›A legal term under Japan's City Planning Act; an area designated for priority urban development, contrasted with 市街化調整区域 (urbanization control area).See also: 市街化調整区域この土と地ちは市し街がい化