Šaina families are Croats and they are mostly from Pazin area. In the past century, relatively most of Croatian residents bearing this family name were born in Pula and Pazin.
Prevalence
About 90 people with faimily name Šaina live in Croatia today, in 40 households. There were 10 of them in the middle of the past century, and their number multiplied. They are located in two Croatian counties, in 6 cities and 12 other places, mostly in Pazin (20), Zabrezani (15), Matulji in Opatija area (10), Sveti Petar u Sumi in Pazin area (<10), and in Rijeka (<10).
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.