In Croatia, Biljman families are Croats (from Gospic area ). In the past century, relatively most of Croatian residents bearing this family name were born in Gospic and Umag.
Prevalence
About 10 people with faimily name Biljman live in Croatia today, in 6 households. There were 20 of them in the middle of the past century, and their number halved. They are located in four Croatian counties and another small place , mostly in Umag (<5), Crikvenica (<5), Zagreb (<5), Rijeka (<5), and in Donji Kosinj in Gospic 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.