There are only three geophysical zones, all of which continue outside the federal district: the Ural Mountains, the West Siberian Lowland(1), and the Turgay Plateau(2).
(1) Zapadno-Sibirskaya (or Sibirskaja) Nizmennost' in transliterated Russian.
(2) Turgayskaya (or Tugajskaja) Stolovaya (or Stolavaja) Strana in transliterated Russian.