Family name Gubia (Gubia 
, Gouge 
) , across the world, is quite a rare last name. The surname Gubia is characteristic of France, where it is a rare surname, the United States, and New Zealand. Not in comparison with a country's population, it is the most numerous in the United States, France, and the United Kingdom. Much less frequently, Gubia is the forename as well as the last name.