In Croatia, Adrinek families are Croats (from Kutina area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Kutina.
Prevalence
About 30 people with faimily name Adrinek live in Croatia today, in 14 households. There were 10 of them in the middle of the past century, and their number tripled. They are located in only five naselja i to in Zagreb (20), Osekovo in Kutina area (<10), Rijeka (<10), Popovaca in Kutina area (<5), and in Udbina in Obrovac area (<5).
Outside Croatia
Family name Adrinek is present in three countries on two continents. The family name "Adrinek " is used by small number of people in the United States.