Vranjković families are frequently Croats and they are mostly from Drnis. According to some sources they are from Posusje, Herzegovina, rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Drnis and in Herzegovina (Posusje area). In Širitovci in Drnis every fifth inhabitant had the family name Vranjković.
Prevalence
About 470 people with faimily name Vranjković live in Croatia today, in 200 households. There were 240 of them in the middle of the past century, and their number doubled. They are located in the most of Croatian counties, in 40 cities and 39 other places, mostly in Zagreb (105), Split (35), Siritovci (20), Valpovo (20), and in Sibenik (15).
Outside Croatia
Family name Vranjković is present in 8 countries on three continents.
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.