In Croatia, Vizner families are Croats (from Slatina ). In the past century, relatively most of Croatian residents bearing this family name were born in Kutina and Otocac.
Prevalence
About 20 people with faimily name Vizner live in Croatia today, in 10 households. There were 30 of them in the middle of the past century, and their number decreased by 20 percent. They are only located in in 6 Croatian cities and another small place , mostly in Slatina (<10), Kutina (<10), Zagreb (<5), Rijeka (<5), and in Metkovic (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.