Last name بترا (Petra 
, بترا 
, Btra 
) , across the world, is a widespread surname. The family name بترا is characteristic of Mexico, where it is a common surname, Venezuela, where it is quite a common surname, and Liechtenstein (explore the name in all countries). In absolute terms, it is commonest in Mexico, Spain, and Venezuela. More prevalently, بترا is the forename as well as the last name.