Krezo families are Croats and they are mostly from western Bosnia. In the past century, relatively most of Croatian residents bearing this family name were born in Western Bosnia (Livno area) and in Vinkovci area.
Prevalence
About 120 people with faimily name Krezo live in Croatia today, in 50 households. There were 30 of them in the middle of the past century, and their number multiplied. They are located in 8 Croatian counties, in 15 cities and 12 other places, mostly in Zagreb (30), Vinkovci (10), Cerna in Zupanja area (<10), Trogir (<10), and in Retkovci in Vinkovci area (<10).
Outside Croatia
Family name Krezo (including: Cerezo , Crezo and Cherezo ) is present in 60 countries worldwide. "Crezo " is used by small number of people in the United States.
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.