In Croatia, Hasović families are Bosniaks by relative majority (from Split ), less frequently Croats (from Kastel Sucurac ), and rarely Serbs.
Prevalence
About 10 people with faimily name Hasović live in Croatia today, in three households only. They are located in four Croatian cities only: in Zrnovnica (<10), Kastel Sucurac (<5), Karlovac (<5), and in Varazdin (<5).
Outside Croatia
Family name Hasović is present in 9 countries on three continents. The family name "Hasovic " is used by small number of people in the United States and small number in Australia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.