Valentin families are Croats and they are mostly from Opatija. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Djakovo.
Prevalence
About 90 people with faimily name Valentin live in Croatia today, in 40 households. There were 160 of them in the middle of the past century, and their number decreased by 40 percent. They are located in 7 Croatian counties, in 9 cities and 14 other places, mostly in Djakovo (20), Rijeka (15), Brinje in Senj area (10), Medveja in Opatija area (<10), and in Vukovar (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.