In Croatia, Čajsa families are almost entirely Croats (from Garesnica ), barely Czechs (also from Garesnica ). In the past century, relatively most of Croatian residents bearing this family name were born in Garesnica and Zagreb.
Prevalence
About 40 people with faimily name Čajsa live in Croatia today, in 16 households. There were 60 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 6 Croatian counties, in 6 cities and 5 other places, mostly in Garesnica (20), Zagreb (10), Kapelica (<10), Split (<5), and in Krizevci (<5).