In Croatia, Grešel families are Croats (from Delnice area ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Delnice.
Prevalence
About 10 people with faimily name Grešel live in Croatia today, in five households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only threee naselja i to in Delnice (<10), and in Skrad (<5) and Malo Selce (<5) in Delnice area.