In Croatia, Purko families are Croats (from Sinj area ). In the past century, relatively most of Croatian residents bearing this family name were born in Sinj area and in Split. In Krušvar in Sinj area every fiftieth inhabitant had the family name Purko.
Prevalence
About 20 people with faimily name Purko live in Croatia today, in 7 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in only four naselja i to in Krusvar in Sinj area (10), Stobrec (<5), Split (<5), and in Zagreb (<5).