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Last name Grah (Grah
, Грах
) , in all the world, is quite a common cognomen. The cognomen Grah is characteristic of Slovenia, where it is quite a common surname, Ivory Coast, and Croatia, where it is quite a rare surname. Measured by absolute frequency, it is commonest in Ivory Coast, Slovenia, and Germany. Much less frequently, Grah is the forename as well as the last name.