In Croatia, Drljan families are Croats by relative majority (from Glina ), equally Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Glina and Sisak.
Prevalence
About 20 people with faimily name Drljan live in Croatia today, in 12 households. There were 70 of them in the middle of the past century, and their number decreased significantly. They are located in threee Croatian counties, four cities and 6 other places, mostly in Zagreb (<10), Petrinja (<10), Glina (<5), Majske Poljane (<5), and in Luscani (<5).
Outside Croatia
Family name Drljan is present in 7 countries on four continents.
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.