In the past century, relatively most of Croatian residents bearing this family name were born in Pula and in Porec area.
Prevalence
Only a few people with faimily name Katoša live in Croatia today, in one household only. They are located in only one small Croatian place, in Vrsar in Rovinj area (<5).
Outside Croatia
Family name Katoša (including: Katosa , Katosha and Catossa ) is present in 6 countries on two continents.