Drožđan families are Croats and they are mostly from Krapina. In the past century, relatively most of Croatian residents bearing this family name were born in Krapina and Daruvar. In Donja Šemnica in Krapina every thirtieth inhabitant had the family name Drožđan.
Prevalence
About 70 people with faimily name Drožđan live in Croatia today, in 30 households. There were 60 of them in the middle of the past century, and their number increased by 20 percent. They are located in 8 Croatian counties, in 9 cities and 11 other places, mostly in Zagreb (15), Daruvar (<10), Lepajci (<10), Pregrada (<10), and in Police Pirisce (<10).
Outside Croatia
Family name Drožđan is present in this form only in Croatia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.