In Croatia, Cherstich families are Croats (from Zadar ).
Prevalence
Only a few people with faimily name Cherstich live in Croatia today, in one household only. They are located in one Croatian city only, in Zadar (<10).
Outside Croatia
Family name Cherstich is present in two countries.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.