noun
country of residence; jurisdiction of residence
Formal term used in legal, tax, and administrative contexts to refer to the country where a person lives.
居住地国での納税義務について説明します。
I will explain the tax obligations in your country of residence.
居住地国の法律に従って手続きを行ってください。
Please follow the procedures according to the laws of your country of residence.
Compound of 居住 (residence) + 地 (place) + 国 (country). The exact historical derivation is uncertain, but the components transparently combine to mean 'country of residence'.