In Croatia, Kalaus families are Croats (from Krizevci ). In the past century, relatively most of Croatian residents bearing this family name were born in Krizevci and Bjelovar.
Prevalence
Only a few people with faimily name Kalaus live in Croatia today, in four households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only four naselja i to in Krizevci (<5), Sveti Ivan Zabno in Krizevci area (<5), Zigrovec in Varazdin area (<5), and in Komarnica Ludbreska in Ludbreg area (<5).
Outside Croatia
Family name Kalaus (including: Kallaus , Kalhaus ) is present in 18 countries on four continents. "Kallaus " is used by some 200 people in the United States , about 100 in Germany , and small number of people in Poland.