In Croatia, Omrčen-Čeko families are Croats (from Sinj area ). In the past century, relatively most of Croatian residents bearing this family name were born in Sinj and in Vinkovci area. In places Ovrlje and Otok in Sinj area every eightieth inhabitant had the family name Omrčen-Čeko.
Prevalence
About 30 people with faimily name Omrčen-Čeko live in Croatia today, in 20 households. They are located in threee Croatian counties, in 6 cities and four other places, mostly in Otok in Sinj area (<10), Sinj (<5), Stobrec (<5), Ovrlje in Sinj area (<5), and in Koprivnica (<5).
Outside Croatia
Family name Omrčen-Čeko is present in this form only in Croatia.