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.
Your registered domicile is not necessarily the same as your birthplace.
The address on your residence certificate may differ from your registered domicile.
本籍地 refers to one's legal registered domicile, while 本拠地 means an organization's main operating base; the two share the 本...地 pattern but differ completely in meaning.
Compound of 本籍 (registered domicile) + 地 (place). The term is used in Japanese family registration law.