In Croatia, Zilbeari families are Albanians (from Porec ).
Prevalence
About 10 people with faimily name Zilbeari live in Croatia today, in four households only. They are located in only five naselja i to in Porec (<10), Dekovici (<10), Rab on the Island of Rab (<5), Vrsar in Rovinj area (<5), and in Pula (<5).
Outside Croatia
Family name Zilbeari is present in 8 countries on two continents.