Šer families are Croats and they are mostly from Vinkovci area. In the past century, relatively most of Croatian residents bearing this family name were born in Vinkovci area and in Osijek.
Prevalence
About 90 people with faimily name Šer live in Croatia today, in 30 households. There were 30 of them in the middle of the past century, and their number tripled. They are only located in four Croatian cities and 9 other places, mostly in Otok in Vinkovci area (40), Osijek (15), Privlaka (10), Nijemci in Vinkovci area (<10), and in Samobor (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1927 in source Emigration Commission Zagreb.