residential district; residential area
A designated or recognized area primarily consisting of housing, often used in urban planning or real estate contexts.
This residential district has two large parks.
住宅地 is a more common and general term for a residential area, while 住宅地区 often implies a formally designated district.
住宅街 refers to a residential neighborhood or street, emphasizing the streetscape, whereas 住宅地区 is a broader planning term.
Compound of 住宅 (じゅうたく, 'residence') and 地区 (ちく, 'district, zone').