Nová Ves (German: Neudorf) is a municipality and village in Louny District in the Ústí nad Labem Region of the Czech Republic. It has about 100 inhabitants. Nová Ves lies approximately 9 kilometres (6 mi) south of Louny, 44 km (27 mi) south of Ústí nad Labem, and 48 km (30 mi) north-west of Prague.