Kapulica families are Croats and they are mostly from east Herzegovina. In the past century, relatively most of Croatian residents bearing this family name were born in Omis area and in East Herzegovina (Bileca area).
Prevalence
About 100 people with faimily name Kapulica live in Croatia today, in 30 households. There were 40 of them in the middle of the past century, and their number more than doubled. They are only located in in 7 Croatian cities and two other places, mostly in Zagreb (45), Split (20), Sesvete (10), Cista Velika in Omis area (10), and in Vinkovci (<10).
Outside Croatia
Family name Kapulica is present in 10 countries on four continents. The family name "Kapulica " is used by small number of people in the United States.
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.