Zrile families are Croats and they are mostly from Knin area. In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Jajce area) and in Knin area.
Prevalence
About 100 people with faimily name Zrile live in Croatia today, in 40 households. There were 40 of them in the middle of the past century, and their number more than doubled. They are located in the most of Croatian counties, in 16 cities and 7 other places, mostly in Zagreb (15), Stara Subocka (10), Sesvete (<10), Ladjevci (<10), and in Lipovljani in Novska area (<10).
Outside Croatia
Family name Zrile is present in five countries on two continents. The family name "Zrile " is used by small number of people in the United States. "Zerille " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1929 in source Emigration Commission Zagreb.