Újpest is the 4th District in Budapest, Hungary. It is located on the left bank of the Danube River. The name Újpest means "New Pest" because the city was formed on the border of the city of Pest, Hungary in 1838. Újpest was a village for six decades until 1907 when it became a town. In 1950, the town was unified with Budapest to form Greater Budapest. Since 1950, Újpest has been the 4th District of Budapest.