In all the world, Petria (Petria 
, Петрия 
, Петря 
) is quite a rare principally girly, but very seldom male forename. The first name Petria is habitual in Bulgaria, where it is quite a common girly name, Romania, where it is quite a rare mostly girly, but uncommonly male name, and Australia, where it is a rare female name. Not in comparison with a country's population, it most frequently occurs in Bulgaria, Romania, and Indonesia. Also, Petria is the last name as well as the forename.