In Croatia, Piuka families are generally Italians (from Buje area ), very rarely Croats. In the past century, relatively most of Croatian residents bearing this family name were born in Buje and Umag. In Merišće in Buje every fifth inhabitant had the family name Piuka.
Prevalence
About 20 people with faimily name Piuka live in Croatia today, in 9 households. They are only located in two Croatian cities and 5 other places, mostly in Martincici in Buje area (<10), Umag (<5), Brtonigla in Buje area (<5), Merisce (<5), and in Buje (<5).
Outside Croatia
Family name Piuka is present in 6 countries on four continents.