In Croatia, Radetich families are Croats (from Bakar ).
Prevalence
About 10 people with faimily name Radetich live in Croatia today, in one household only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in two Croatian cities only, in Pula (<5) and Krasica (<5).
Outside Croatia
Family name Radetich is present in 10 countries on four continents. The family name "Radetich " is used by some 200 people in the United States , about 90 in Argentina , and some 50 people in Italy.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.