In Croatia, Poldrugo families are predominantly Croats (from the Island of Cres ), rarely Italians (also from the Island of Cres ). In the past century, relatively most of Croatian residents bearing this family name were born in Labin and Pula.
Prevalence
About 40 people with faimily name Poldrugo live in Croatia today, in 16 households. There were 140 of them in the middle of the past century, and their number decreased significantly. They are located in two Croatian counties and 8 other places, mostly in Pula (<10), Cres on the Island of Cres (<10), Labin (<10), Strmac in Labin area (<10), and in Banjole in Pula area (<5).
Outside Croatia
Family name Poldrugo is present in 10 countries on four continents. The family name "Poldrugo " is used by small number of people in the United States and small number in Italy.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.