In Croatia, Diaković families are Croats (from Grubisno Polje area ). In the past century, relatively most of Croatian residents bearing this family name were born in Srijem, Vojvodina.
Prevalence
Only a few people with faimily name Diaković live in Croatia today, in one household only. They are located in only one small Croatian place, in Veliki Grdjevac in Grubisno Polje area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.