In Croatia, Krast families are predominantly Croats (from Buzet area ), rarely Italians (also from Buzet area ). In the past century, relatively most of Croatian residents bearing this family name were born in Buzet area and in Porec. In Šorgi in Buzet area every sixth inhabitant had the family name Krast.
Prevalence
About 10 people with faimily name Krast live in Croatia today, in four households only. There were 30 of them in the middle of the past century, and their number decreased significantly. They are located in only four Croatian places: in Vizinada in Buje area (<10), Sorgi in Buzet area (<5), Buje (<5), and in Kastel (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.