In Croatia, Tubica families are predominantly Croats (from Sisak ), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Sisak.
Prevalence
About 10 people with faimily name Tubica live in Croatia today, in four households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in three Croatian cities only: in Glina (<10), Zagreb (<5), and in Sisak (<5).
Outside Croatia
Family name Tubica is present in four countries on two continents.
