Tucak families are Croats and they are mostly from Imotski area. In the past century, relatively most of Croatian residents bearing this family name were born in Imotski area and in Imotsko.
Prevalence
About 150 people with faimily name Tucak live in Croatia today, in 70 households. They are located in 6 Croatian counties, in 11 cities and 10 other places, mostly in Runovic in Imotski area (60), Osijek (20), Sibenik (20), Split (15), and in Zagreb (10).
Outside Croatia
Family name Tucak (including: Tuzak , Tuchak and Tucák ) is present in 22 countries on four continents. The family name "Tucak " is used by some 60 people in Sweden , small number in Australia , and small number of people in the United States. "Tuzak " is used by some 400 people in Turkey , 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 1902 in source Hartmann's General List of Apartments in Zagreb.