In Croatia, Špica families are predominantly Croats (from Sisak ), rarely Bosniaks. In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and in Banja Luka Region, Bosnia (Banja Luka area).
Prevalence
About 10 people with faimily name Špica live in Croatia today, in five households only. There were 20 of them in the middle of the past century, and their number halved. They are located in only five naselja i to in Osijek (<10), Pula (<10), Sisak (<5), Strelecko in Sisak area (<5), and in Rosulje (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.