Zeko families are Croats and they are mostly from middle Bosnia. According to some sources they are from Dubrovnik area (Konavle). In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Gornji Vakuf area) and in Middle Bosnia (Novi Travnik area). In places Paloč , Jelače and Dahovo in Middle Bosnia every second inhabitant had the family name Zeko.
Prevalence
About 450 people with faimily name Zeko live in Croatia today, in 160 households. There were 10 of them in the middle of the past century, and their number multiplied. They are located in almost all Croatian counties, in 32 cities and 51 other places, mostly in Zagreb (80), Sesvete (35), Osijek (25), Piskorevci (25), and in Ivankovo in Vinkovci area (25).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.