In Croatia, Šleger families are Croats (from Nova Gradiska area ). In the past century, relatively most of Croatian residents bearing this family name were born in Nova Gradiska and Donji Miholjac.
Prevalence
Only a few people with faimily name Šleger live in Croatia today, in four households only. There were 20 of them in the middle of the past century, and their number halved. They are located in only threee naselja i to in Kosovac in Nova Gradiska area (<5), Donji Miholjac (<5), and in Zagreb (<5).