In Croatia, Sešina families are generally Croats (from Zagreb ), very rarely Slovenes (also from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb.
Prevalence
About 20 people with faimily name Sešina live in Croatia today, in 7 households. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only two naselja i to in Zagreb (20) and Donji Cehi (<5).