In Croatia, Restek families are almost entirely Croats (from Djurdjevac area ), very rarely Slovenes (from Koprivnica ). In the past century, relatively most of Croatian residents bearing this family name were born in Djurdjevac area and in Zagreb.
Prevalence
About 30 people with faimily name Restek live in Croatia today, in 14 households. There were 90 of them in the middle of the past century, and their number decreased significantly. They are located and four other Croatian places, mostly in Novigrad Podravski in Djurdjevac area (<10), Bjelovar (<10), Koprivnica (<10), Volavje (<5), and in Starigrad (<5).
Outside Croatia
At least one family with this surname emigrated from Croatia to the United States. Family name Restek is present in five countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1938 in source Emigration Commission Zagreb.