Šušnja families are Croats and they are mostly from middle Bosnia. In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Kakanj area) and in Middle Bosnia (Zenica area).
Prevalence
About 170 people with faimily name Šušnja live in Croatia today, in 70 households. They are located in the most of Croatian counties, in 25 cities and 25 other places, mostly in Zagreb (30), Matulji in Opatija area (10), Zadar (10), Sesvete (<10), and in Metkovic (<10).
Outside Croatia
Family name Šušnja (including: Susnja , Susnia ) is present in 11 countries on four continents.
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.