In Croatia, Senj families are Croats (from Pozega area ). In the past century, relatively most of Croatian residents bearing this family name were born in Banja Luka Region, Bosnia (Banja Luka area) and in Middle Bosnia (Bugojno area).
Prevalence
About 20 people with faimily name Senj live in Croatia today, in 6 households. They are located in two Croatian counties and 6 other places, mostly in Dolac (<10), Antunovac (<10) and Velika (<5) in Pozega area, Malinska on the Island of Krk (<5), and in Brestovac in Pozega area (<5).
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.