In Croatia, Prosenik families are almost entirely Croats (from Sisak ), barely Bosniaks (from Samobor ). In the past century, relatively most of Croatian residents bearing this family name were born in Sisak and Zagreb.
Prevalence
About 50 people with faimily name Prosenik live in Croatia today, in 20 households. There were 60 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 7 other places, mostly in Sisak (15), Hrastelnica (<10), Zagreb (<10), Gornja Jelenska in Kutina area (<10), and in Sesvete (<5).
Outside Croatia
Family name Prosenik is present in 8 countries on three continents. "Prosenick " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.