Krešo families are Croats and they are mostly from north Herzegovina. In the past century, relatively most of Croatian residents bearing this family name were born in North Herzegovina (Konjic area) and in Western Bosnia (Livno area). In places Trusina and Krtići in North Herzegovina every third inhabitant had the family name Krešo.
Prevalence
About 280 people with faimily name Krešo live in Croatia today, in 100 households. There were 0 of them in the middle of the past century, and their number multiplied. They are located in the most of Croatian counties, in 24 cities and 21 other places, mostly in Zagreb (60), Sesvete (30), Tenja (25), Osijek (20), and in Split (20).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.