In Croatia, Boj families are Croats (from Cakovec area ). In the past century, relatively most of Croatian residents bearing this family name were born in Cakovec and in Cakovec area.
Prevalence
About 50 people with faimily name Boj live in Croatia today, in 20 households. There were 50 of them in the middle of the past century, and their number remains constant. They are located in four Croatian counties, threee cities and 12 other places, mostly in Cakovec (<10), in Zasadbreg (<10) and Crecan (<10) in Cakovec area, Peklenica (<5), and in Pretetinec in Cakovec area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.