In Croatia, Fluksek families are Croats (from Varazdin area ). In the past century, relatively most of Croatian residents bearing this family name were born in Varazdin and in Varazdin area. In Tužno in Varazdin area every sixtieth inhabitant had the family name Fluksek.
Prevalence
About 30 people with faimily name Fluksek live in Croatia today, in 9 households. There were 30 of them in the middle of the past century, and their number remains constant. They are located in only five Croatian places: in Tuzno in Varazdin area (<10), Radovan (<10), Prekno in Varazdin area (<5), Varazdin (<5), and in Lovrecan (<5).
Outside Croatia
Family name Fluksek is present in this form only in Croatia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.