Sekalec families are Croats and they are mostly from Valpovo area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Valpovo area.
Prevalence
About 80 people with faimily name Sekalec live in Croatia today, in 40 households. There were 90 of them in the middle of the past century, and their number decreased by 10 percent. They are located and 12 other Croatian places, mostly in Cret Bizovacki in Valpovo area (20), Zagreb (20), Brezje in Donja Stubica area (15), Osijek (<10), and in Sesvete (<10).
Outside Croatia
Family name Sekalec is present in this form only in Croatia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.