Cvitko families are Croats and they are mostly from Pazin area. In the past century, relatively most of Croatian residents bearing this family name were born in Pula and in Pazin area.
Prevalence
About 80 people with faimily name Cvitko live in Croatia today, in 30 households. There were 70 of them in the middle of the past century, and their number increased by 10 percent. They are located in 7 Croatian counties, in 10 cities and 7 other places, mostly in Skropeti (30) and Novaki Motovunski (10) in Pazin area, Motovun in Buzet area (<10), Zagreb (<10), and in Osijek (<10).
Outside Croatia
Family name Cvitko (including: Cvitco , Zvitko ) is present in 16 countries worldwide.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1691 in source Catholic Church Parish Records.