Coastal Plains:

* Mississippi Delta: A vast, fertile region formed by the Mississippi River, known for its rich agricultural lands and numerous bayous.

* Coastal Lowlands: Low-lying, flat areas along the Gulf Coast, prone to flooding and hurricanes.

* Mississippi Sound: A shallow body of water separating the Mississippi mainland from barrier islands.

Interior Uplands:

* Black Belt: A band of dark, fertile soils running across the state, known for cotton production.

* Tombigbee Hills: A rolling, hilly region in the northeast, with some of the state's highest elevations.

* Loess Bluffs: Steep bluffs formed by wind-blown deposits, often found along river valleys.

* Piney Woods: A region of forested uplands in the southern and eastern parts of the state, dominated by pine trees.

Other Landforms:

* Mississippi River: The state's most defining feature, flowing through the entire state and providing vital transportation and economic resources.

* Yazoo River: A major tributary of the Mississippi, known for its fertile floodplains.

* Pearl River: Another significant river flowing through the state, contributing to the state's waterways and ecosystem.

* Barrier Islands: A chain of islands along the Gulf Coast, providing natural protection from storms.

* Sinkholes: Common in some areas due to underlying limestone formations.

Important Note: Mississippi's landscape is constantly evolving due to natural processes like erosion, deposition, and human activity.