In Croatia, Siščan families are Croats (from Sveti Ivan Zelina area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Sveti Ivan Zelina area.
Prevalence
Only a few people with faimily name Siščan 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 located in only five Croatian places: in Dvorisce in Sveti Ivan Zelina area (<5), Zagreb (<5), Martinska Ves (<5), Krecaves (<5), and in Samoborec (<5).
Outside Croatia
Family name Siščan is present in five countries on three continents.