In Croatia, Seki families are Croats (from Middle Bosnia ). In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Jajce area) and in Zagreb.
Prevalence
About 30 people with faimily name Seki live in Croatia today, in 8 households. There were 20 of them in the middle of the past century, and their number increased by 80 percent. They are located in four Croatian counties, in 6 cities and two other places, mostly in Osijek (<10), Busevec (<10), Kutina (<10), Rijeka (<5), and in Turopolje (<5).