It is the largest real plain in the territory of the Czech Republic, in which the inclination of the slopes consistently does not exceed 1°.

The lowland has an area of 1,315 square kilometres (508 sq mi) and an average elevation of 226 metres (741 ft).

Many other rivers flow into it; the most important tributaries within the territory include the Bečva, Romže, Haná and Rusava.

The most populated cities and towns entirely located in the territory are Olomouc, Holešov, Uničov, Litovel, Hulín and Kojetín.

In the Upper Morava Valley is the informally defined Haná region, which is considered one of the most fertile parts of the Czech Republic.