In Croatia, Dreher families are Croats (from Middle Bosnia ). In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Sarajevo area).
Prevalence
Only a few people with faimily name Dreher live in Croatia today, in four households only. They are located in only one small Croatian place, in Cunski on the Island of Losinj (<5).
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.