Only a few people with faimily name Sudmak live in Croatia today, in two households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only threee Croatian places: in Selna (<5) and Sibinj (<5) in Slavonski Brod area, and in Zagreb (<5).
Outside Croatia
Family name Sudmak is present in this form only in Croatia.