In Croatia, Sečenj families are Croats (from Glina area ). In the past century, relatively most of Croatian residents bearing this family name were born in Glina area and in Vinkovci area.
Prevalence
About 50 people with faimily name Sečenj live in Croatia today, in 17 households. There were 60 of them in the middle of the past century, and their number decreased by 10 percent. They are located in threee Croatian counties, threee cities and 9 other places, mostly in Velika Gorica (15), Opatija in Glina area (15), Andrijasevci in Vinkovci area (<10), Letovanic in Petrinja area (<5), and in Prigorje Brdovecko in Zapresic area (<5).