Family name Герг (Gerg 
, Герг 
) , worldwide, is quite a rare surname. The last name Герг is characteristic of Germany, where it is quite a rare surname, Bulgaria, where it is a rare surname, and the United States, where it is a very rare surname. Measured by absolute frequency, it is commonest in Germany, the United States, and India. Very seldom, Герг is the forename as well as the last name.