In Croatia, Seni families are Croats (from Bjelovar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Bjelovar and in Bjelovar area. In Vrbica in Bjelovar area every sixtieth inhabitant had the family name Seni.
Prevalence
Only a few people with faimily name Seni live in Croatia today, in one household only. There were 30 of them in the middle of the past century, and their number decreased significantly. They are located in only one small Croatian place, in Vrbica in Bjelovar area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.