Grgurina families are Croats and they are mostly from Opatija. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Opatija. In Trinajstići in Kastav every eighth inhabitant had the family name Grgurina.
Prevalence
About 70 people with faimily name Grgurina live in Croatia today, in 30 households. There were 110 of them in the middle of the past century, and their number decreased by 40 percent. They are located in four Croatian counties, in 7 cities and 10 other places, mostly in Rijeka (10), Tisno on the Island of Murter (10), and in Bregi (<10), Matulji (<10) and Veli Brgud (<10) in Opatija area.
Outside Croatia
Family name Grgurina is present in 6 countries on four continents. The family name "Grgurina " is used by small number of people in Russian Federation , small number in Chile , and small number of people in the United States.
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.