Cognomen Груич (Grujić 
, Груич 
, Gruyitch) , around the globe, is quite a common surname. The surname Груич is characteristic of Southern Europe, particularly Serbia, where it is quite a common surname, Croatia, and Montenegro. In absolute terms, it is the most numerous in Southern Europe, particularly Serbia, Croatia, and Bosnia and Herzegovina. Much less frequently, Груич is the forename as well as the last name.