Synonyms of 'tableland'
A low flat area of uncultivated land, especially an area where the ground is soft and wet, can be referred to as flats or a flat.
salt marshes and mud flats
A plain is a large flat area of land with very few trees on it.
Once there were 70 million buffalo on the plains.
Thesaurus for tableland from the Collins English Thesaurus
flat elevated land; a plateau