Your domicile is the place where you reside and the place where you intend to return after temporary absences. The common question is, "What does domicile mean?An affidavit of domicile is a legal document that certifies the residence of a deceased person. Domicile refers to the place you call home permanently. Your domicile is important for legal purposes such as paying taxes, voting, and claiming benefits. 'Domicile' generally refers to where you live – your residence that you intend to keep for the foreseeable future.