Glasnović families are Croats and they are mostly from Janjevo , Kosovo. According to some sources they are from Opuzen area. In the past century, relatively most of Croatian residents bearing this family name were born in Janjevo, Kosovo and in Zagreb.
Prevalence
About 1100 people with faimily name Glasnović live in Croatia today, in 340 households. There were 20 of them in the middle of the past century, and their number multiplied. They are located in the most of Croatian counties, in 32 cities and 24 other places, mostly in Zagreb (960), Kistanje in Knin area (60), Sesvete (35), Split (30), and in Sibenik (30).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 2007 in source Encyclopaedia of Croatian Surnames.