In Croatia, Testijan families are Croats (from Bjelovar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Bjelovar.
Prevalence
Only a few people with faimily name Testijan live in Croatia today, in two households only. There were 10 of them in the middle of the past century, and their number decreased significantly. They are located in only threee Croatian places: in Bjelovar (<5), Galovac (<5), and in Stari Skucani in Bjelovar area (<5).
Outside Croatia
Family name Testijan is present in this form only in Croatia.