In Croatia, Glavac families are Croats (from Labin area ). In the past century, relatively most of Croatian residents bearing this family name were born in Labin and in Labin area.
Prevalence
Only a few people with faimily name Glavac live in Croatia today, in two households only. There were 20 of them in the middle of the past century, and their number decreased significantly. They are located in two Croatian cities only, in Rijeka (<5) and Labin (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.