Brzica families are Croats and they are mostly from Herzegovina. According to some sources they are from the Island of Mljet. In the past century, relatively most of Croatian residents bearing this family name were born in Herzegovina (Grude area) and in Split.
Prevalence
About 350 people with faimily name Brzica live in Croatia today, in 140 households. There were 110 of them in the middle of the past century, and their number tripled. They are located in the most of Croatian counties, in 24 cities and 24 other places, mostly in Split (105), Zagreb (80), Makarska (35), Dubrovnik (25), and in Podstrana in Solin area (20).
Outside Croatia
At least one family with this surname emigrated from Croatia to the United States. Family name Brzica is present in 9 countries on three continents. The family name "Brzica " is used by some 80 people in Czech Republic , small number in the United States , and small number of people in Germany.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.