It is located in the Ilava Basin at the foothills of the Strážovské vrchy mountains.
History
The town was established in the 1950s originally for the purpose of housing workers of the local heavy machinery factory Závody ťažkého strojárstva. Therefore, it can be described as a bedroom community. Construction started in 1951, and became separate from Dubnica nad Váhom and from parts of cadastral areas of Trenčianske Teplice and Veľký Kolačin municipalities in 1957 and was named Nová Dubnica and received town rights in 1960. In 1971 municipality of Kolačín made of Malý Kolačín and Velký Kolačín was annexed to the town.
Rastislav Blaško, former vice-chairman of Social Democratic Party of Slovakia, born in Ilava in 1971, lived in Nová Dubnica from 1979 to 1987. He is holder of twice bronze medal for 3rd place as the staff member of Slovak FootGolf National Team at the 2. European Team FootGolf Championship EURO FOOTGOLF 2019 in United Kingdom, England and 2021 in Hungary.