In Croatia, Klasta families are Croats (from Varazdin ). In the past century, relatively most of Croatian residents bearing this family name were born in Varazdin and Rijeka.
Prevalence
About 40 people with faimily name Klasta live in Croatia today, in 17 households. There were 30 of them in the middle of the past century, and their number increased by 20 percent. They are located in four Croatian counties, four cities and two other places, mostly in Varazdin (25), Trnovec in Varazdin area (<10), Pula (<5), Gornji Kneginec in Varazdin area (<5), and in Rijeka (<5).
Outside Croatia
Family name Klasta (including: Chlasta , Cholasta ) is present in 10 countries on three continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.