In Croatia, Prus families are Croats (from Duga Resa ). In the past century, relatively most of Croatian residents bearing this family name were born in Ludbreg and Duga Resa.
Prevalence
About 20 people with faimily name Prus live in Croatia today, in 7 households. There were 50 of them in the middle of the past century, and their number decreased significantly. They are located in four Croatian counties, four cities and two other places, mostly in Osijek (<10), Duga Resa (<10), Sveti Ivan Zelina (<5), Bolfan (<5), and in Kapela Podravska in Ludbreg area (<5).
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.