In Croatia, Božanja families are Croats (from Dubrovnik ). In the past century, relatively most of Croatian residents bearing this family name were born in Dubrovnik.
Prevalence
About 20 people with faimily name Božanja live in Croatia today, in 8 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in only four Croatian places: in Dubrovnik (10), Mokosica (<10), Rozat (<10), and in Okuklje on the Island of Mljet (<5).
Outside Croatia
Family name Božanja is present in two countries on two continents. The family name "Bozanja " is used by 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 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.