noun
permanent domicile; registered domicile
Legal term referring to the place where a person's family register (koseki) is located; not necessarily where they currently live.
本籍地は出生地と同じとは限らない。
Your registered domicile is not necessarily the same as your birthplace.
住民票の住所と本籍地が異なる場合がある。
The address on your residence certificate may differ from your registered domicile.
住所 is the current residential address, whereas 本籍地 is the legal registered domicile, which may be different.
Compound of 本籍 (registered domicile) + 地 (place). The term is used in Japanese family registration law.