In Croatia, Benco families are Croats (from Herzegovine ). In the past century, relatively most of Croatian residents bearing this family name were born in Herzegovina (Mostar area) and in Pula.
Prevalence
About 10 people with faimily name Benco live in Croatia today, in 6 households. There were 20 of them in the middle of the past century, and their number halved. They are located in three Croatian cities only: in Zagreb (<10), Split (<5), and in Pula (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over eighty times, the first time 1683 in source Catholic Church Parish Records.