Family name 格洛 (Grou 
, 格洛 
) , in all the world, is quite a rare cognomen. The surname 格洛 is habitual in Portugal, where it is quite a rare surname, Luxembourg, and Algeria, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Portugal, Algeria, and France. Very seldom, 格洛 is the forename as well as the last name.