Novotny families are Croats and they are mostly from Slavonski Brod. In the past century, relatively most of Croatian residents bearing this family name were born in Slavonski Brod and Zagreb.
Prevalence
About 80 people with faimily name Novotny live in Croatia today, in 40 households. There were 70 of them in the middle of the past century, and their number increased by 10 percent. They are located in 9 Croatian counties, in 12 cities and 8 other places, mostly in Zagreb (20), Slavonski Brod (20), Popovaca in Kutina area (10), Turcin in Varazdin area (<10), and in Banjol on the Island of Rab (<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.