In Croatia, Hvizdak families are generally Croats (from Nasice ), very rarely Slovaks (also from Nasice ). In the past century, relatively most of Croatian residents bearing this family name were born in Nasice and Osijek.
Prevalence
About 70 people with faimily name Hvizdak live in Croatia today, in 20 households. There were 40 of them in the middle of the past century, and their number increased by 70 percent. They are only located in four Croatian cities and four other places, mostly in Markovac Nasicki (35), Nasice (15), Donja Moticina in Nasice area (<10), Senj (<5), and in Samobor (<5).
Outside Croatia
Family name Hvizdak is present in 9 countries on three continents. The family name "Hvizdak " is used by some 300 people in Slovakia , about 300 in the United States , and small number of people in Germany.
