Across the world, Šumer (Šumer , Шумер ) is an extremely rare unknown gender forename. Much more prevalently, Šumer is the last name as well as the forename.
Sumer
Miha, Nika, Marko, and Aljoša
, Шумер 
) is an extremely rare unknown gender forename. Much more prevalently, Šumer is the last name as well as the forename.