‘住所’ (zhù suǒ) literally combines ‘住’ (zhù), meaning ‘to live’ or ‘to reside’, and ‘所’ (suǒ), a classical noun suffix indicating ‘place’ or ‘location’. Together, it means ‘residence’—the place where someone lives regularly, such as a home, apartment, or dormitory. Unlike the more casual term ‘家’ (jiā, ‘home’) or the administrative term ‘地址’ (dì zhǐ, ‘address’), ‘住所’ emphasizes legal or formal recognition of one’s living place—commonly used in official documents, rental contracts, ID registration, or government forms.

This word carries a neutral-to-formal register and is rarely used in casual speech among friends. It implies stability and continuity—not a temporary stay like ‘暂住地’ (zàn zhù dì, ‘temporary residence’). While ‘地址’ refers to the full postal or geographic location (e.g., street number and city), ‘住所’ focuses on the functional space where a person habitually resides and is legally registered.