The landscape is mostly flat and belongs to the Polabí lowlands, only the northern part of the district is hilly and forested areas prevail. The territory extends into four geomorphological mesoregions: Jizera Table (east), Ralsko Uplands (north), Lower Ohře Table (west) and Central Ohře Table (south). The highest point of the district is the hill Vrátenská hora in Nosálov with an elevation of 507 m (1,663 ft), the lowest point is the river bed of the Elbe in Horní Počaply at 153 m (502 ft). It is also the lowest point of the entire Central Bohemian Region.
From the total district area of 701.1 km2 (270.7 sq mi), agricultural land occupies 458.9 km2 (177.2 sq mi), forests occupy 133.0 km2 (51.4 sq mi), and water area occupies 14.7 km2 (5.7 sq mi). Forests cover 19.0% of the district's area.[1]
The confluence of the two longest rivers in the country, Elbe and Vltava, is located in the centre of the district. The Elbe then flows further to the north. There are not many bodies of water.