Last name Petreaca (Petreaca 
) , around the globe, is a rare cognomen. The family name Petreaca is habitual in Romania, where it is quite a rare surname, Spain, where it is a very rare surname, and France, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in Romania, the United States, and Spain. Much less frequently, Petreaca is the forename as well as the last name.