In Croatia, Blat families are Croats (from Knin area ). In the past century, relatively most of Croatian residents bearing this family name were born in Vinkovci.
Prevalence
Only a few people with faimily name Blat live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only four naselja i to in Zagreb (<5), Oklaj in Knin area (<5), Zupanja (<5), and in Budinjak (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1932 in source Emigration Commission Zagreb.