In Croatia, Boch families are Croats (from Zapresic area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Zapresic area.
Prevalence
About 20 people with faimily name Boch live in Croatia today, in 11 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in two Croatian counties, threee cities and four other places, mostly in Zagreb (15), Rakov Potok (<5), Zapresic (<5), Gornji Laduc in Zapresic area (<5), and in Sesvete (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1923 in source Emigration Commission Zagreb.