In Croatia, Stroleni families are Croats (from Nova Gradiska area ). In the past century, relatively most of Croatian residents bearing this family name were born in Nova Gradiska area and in Nova Gradiska.
Prevalence
Only a few people with faimily name Stroleni live in Croatia today, in two households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only one small Croatian place, in Kosovac in Nova Gradiska area (<10).
Outside Croatia
Family name Stroleni is present in three countries on two continents. "Stroleny " is used by some 60 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 1927 in source Emigration Commission Zagreb.