The Kyjovka River flows west of the town and supplies several fishponds there.
The pond Jarohněvický rybník has an area of 88.9 hectares (220 acres) and is one of the largest bodies of water in the region.
Dubňany became economically significant in the 19th century, when coal mining and glassmaking developed.
[3] In Dubňany is one of the largest photovoltaic power stations in the Czech Republic.
The main landmark od Dubňany is the Church of Saint Joseph from 1885.