In Croatia, Šmulja families are Croats by relative majority (from Zagreb ), equally Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Sisak.
Prevalence
Only a few people with faimily name Šmulja live in Croatia today, in one household only. They are located in one Croatian city only, in Zagreb (<5).
Outside Croatia
Family name Šmulja (including: Smulja , Shmulya and Schmulia ) is present in 9 countries on three continents.