In Croatia, Učakar families are Croats (from Sisak ). In the past century, relatively most of Croatian residents bearing this family name were born in Sisak.
Prevalence
About 20 people with faimily name Učakar live in Croatia today, in 10 households. They are located in only five Croatian places: in Topolovac (<10), Sisak (<5), Greda Sunjska in Hrvatska Kostajnica area (<5), Omisalj on the Island of Krk (<5), and in Gusce (<5).
Outside Croatia
Family name Učakar (including: Ucakar , Uchakar ) is present in 7 countries on four continents. The family name "Ucakar " is used by small number of people in Argentina and small number in the United States.
