In Croatia, Terdić families are predominantly Croats (from Opatija area ), rarely Slovenes (also from Opatija area ). In the past century, relatively most of Croatian residents bearing this family name were born in Opatija and Rijeka.
Prevalence
Only a few people with faimily name Terdić 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 two Croatian places: in Moscenicka Draga (<5) and Martina (<5) in Opatija area.
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.