Only a few people with faimily name Petrich live in Croatia today, in two households only. They are located in two Croatian counties, in one city and another small place , mostly in Bol on the Island of Brac (<5) and Zagreb (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over a hundred times, the first time 1729 in source Catholic Church Parish Records.