In Croatia, Posedel families are generally Croats (from Buzet area ), very rarely Italians (also from Buzet area ), and barely Bosniaks (again from Buzet area ). In the past century, relatively most of Croatian residents bearing this family name were born in Buzet area and in Pula. In Slum in Buzet area every fourth inhabitant had the family name Posedel.
Prevalence
About 70 people with faimily name Posedel live in Croatia today, in 30 households. There were 80 of them in the middle of the past century, and their number decreased by 10 percent. They are only located in in 11 Croatian cities and four other places, mostly in Slum in Buzet area (15), Rovinj (15), Zagreb (10), Umag (<10), and in Pula (<10).
Outside Croatia
Family name Posedel is present in 6 countries on two continents. The family name "Posedel " is used by some 90 people in the United States and small number in Czech Republic.
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.