In Croatia, Botko families are almost entirely Croats (from Zlatar area ), barely Slovenes (from Slovenia ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Sveti Ivan Zelina.
Prevalence
About 50 people with faimily name Botko live in Croatia today, in 30 households. There were 80 of them in the middle of the past century, and their number decreased by 40 percent. They are located in 7 Croatian counties, in 9 cities and 6 other places, mostly in Reka (<10), Zagreb (<10), Lobor in Zlatar area (<10), Gaj (<10), and in Koprivnica (<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.