In Croatia, Kleflin families are Croats (from Zlatar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zlatar area and in Zagreb.
Prevalence
About 30 people with faimily name Kleflin live in Croatia today, in 14 households. There were 40 of them in the middle of the past century, and their number decreased by 10 percent. They are located in four Croatian counties, four cities and 7 other places, mostly in Vinipotok in Zlatar area (<10), Zagreb (<10), Kutina (<5), Lobor in Zlatar area (<5), and in Cetinovec (<5).
Outside Croatia
Family name Kleflin is present in two countries on two continents. The family name "Kleflin " is used by small number of 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 1943 in source Directorium ARCHI-DIOECESI ZAGREBIENSI.