There are multiple definitions - click on the translation that matches your context.

出生地

名词

full

domicile of origin

noun

Definitions of domicile of origin

English

the place where a person lived from birth, rather than the place where they live now

You inherit your domicile of origin from your parents.

English

(UK) a person's first official domicile (=the place where they are registered as living following birth)

If the English testator had their domicile of origin in Germany, German law would be applied.