In Croatia, Grežina families are Croats (from Vrbovec ). In the past century, relatively most of Croatian residents bearing this family name were born in Vrbovec and Zagreb.
Prevalence
About 80 people with faimily name Grežina live in Croatia today, in 30 households. There were 100 of them in the middle of the past century, and their number decreased by 20 percent. They are located in four Croatian counties, threee cities and 11 other places, mostly in Vrhovec (45), Topolovec (<10), Goli Vrh in Sveti Ivan Zelina area (<10), Luka (<5), and in Tuk in Bjelovar area (<5).
Outside Croatia
Family name Grežina is present in 9 countries on four continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.