Family name 古博 (古博 
, Goubeau 
, Gubow ) , around the world, is quite a rare last name. The surname 古博 is characteristic of France, where it is quite a rare surname, the United States, where it is a rare surname, and Germany, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in France, the United States, and China. Much less frequently, 古博 is the forename as well as the last name.