Last name Prau (Pratum 
, Parahu 
, Prau 
) , in the entire world, is a rare family name. The surname Prau is characteristic of Thailand, where it is a rare surname, Peru, where it is a very rare surname, and Indonesia. Not in comparison with a country's population, it most frequently occurs in Thailand, Indonesia, and Germany. Likewise, Prau is the forename as well as the last name.