Around the world, アルディア (Ardia 
, アルディア) is quite a rare gender-neutral first name. The given name アルディア is habitual in the Democratic Republic of the Congo, where it is a rare unisex name, Jamaica, where it is a rare feminine name, and Indonesia, where it is a rare epicene name. Not in comparison with a country's population, it is the most numerous in Indonesia, the Democratic Republic of the Congo, and Afghanistan. Likewise, アルディア is the last name as well as the forename.