Prelog families are Croats and they are mostly from Novi Marof area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Novi Marof area.
Prevalence
About 170 people with faimily name Prelog live in Croatia today, in 70 households. There were 230 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 9 Croatian counties, in 11 cities and 27 other places, mostly in Zagreb (45), Cacinci in Orahovica area (20), Vrbovec (15), Sesvete (10), and in Struga in Ludbreg area (<10).
Outside Croatia
At least two families with this surname emigrated from Croatia to the United States. Family name Prelog is present in 13 countries worldwide. The family name "Prelog " is used by some 100 people in the United States , small number in Egypt , and small number of people in Austria.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.