In Croatia, Ples families are Croats (from Djakovo area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Djakovo area.
Prevalence
Only a few people with faimily name Ples live in Croatia today, in four households only. There were 30 of them in the middle of the past century, and their number decreased significantly. They are located in one Croatian city only, in Zagreb (<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.