Katanica families are Croats and they are mostly from Samobor. In the past century, relatively most of Croatian residents bearing this family name were born in Samobor and Zagreb. In Slapnica in Samobor every fourth inhabitant had the family name Katanica.
Prevalence
About 80 people with faimily name Katanica live in Croatia today, in 30 households. There were 60 of them in the middle of the past century, and their number increased by 40 percent. They are located in 7 Croatian counties and 18 other places, mostly in Smerovisce (15), Samobor (10), Zagreb (10), Severin in Bjelovar area (<10), and in Sipacki Breg (<10).
Outside Croatia
Family name Katanica is present in three countries on three continents. The family name "Katanica " is used by few people in Australia and few people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.