Nowe Miasto, Płońsk County

Nowe Miasto is a town in Płońsk County, Masovian Voivodeship, in east-central Poland. It is the seat of the gmina (administrative district) called Gmina Nowe Miasto. It lies approximately 17 km east of Płońsk and 55 km north-west of Warsaw.

The town has a population of 2,000. Its name means "new town".