In Croatia, Koče families are Croats (from Dubrovnik area ). In the past century, relatively most of Croatian residents bearing this family name were born in Dubrovnik.
Prevalence
Only a few people with faimily name Koče live in Croatia today, in one household only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only two naselja i to in Gruda (<5) and Radovcici (<5) in Dubrovnik area.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1923 in source Emigration Commission Zagreb.