Bulut families are Croats and they are mostly from middle Bosnia. In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Kupres area) and in Djakovo area. In Kute in Middle Bosnia every eighth inhabitant had the family name Bulut.
Prevalence
About 70 people with faimily name Bulut live in Croatia today, in 30 households. There were 0 of them in the middle of the past century, and their number multiplied. They are located in 8 Croatian counties, in 10 cities and 12 other places, mostly in Valpovo (15), Bracevci in Djakovo area (15), Petrijevci in Valpovo area (10), Vuka in Djakovo area (<10), and in Zagreb (<10).
Outside Croatia
At least one family with this surname emigrated from Croatia to the United States. Family name Bulut is present in 69 countries worldwide.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.