Pošćić families are Croats and they are mostly from Opatija. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Opatija.
Prevalence
About 60 people with faimily name Pošćić live in Croatia today, in 30 households. They are located in two Croatian counties, threee cities and 7 other places, mostly in Opatija (25), in Bregi (15), Rukavac (<10) and Matulji (<10) in Opatija area, and in Pobri (<5).
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.