In Croatia, Srbotnjak families are Croats (from Kutina ). In the past century, relatively most of Croatian residents bearing this family name were born in Kutina and Pregrada.
Prevalence
About 20 people with faimily name Srbotnjak live in Croatia today, in 7 households. There were 40 of them in the middle of the past century, and their number halved. They are located in three Croatian cities only: in Kutina (15), Mala Gora (<10), and in Zagreb (<5).
Outside Croatia
Family name Srbotnjak is present in two countries.