In Croatia, Seser families are Croats (from Western Bosnia ). In the past century, relatively most of Croatian residents bearing this family name were born in Split and in Western Bosnia (Tomislavgrad area).
Prevalence
About 10 people with faimily name Seser live in Croatia today, in four households only. There were 10 of them in the middle of the past century, and their number remains constant. They are only located in two Croatian cities and another small place , mostly in Split (<10), Omis (<5), and in Okrug Gornji on the Island of Ciovo (<5).