What states did Hernando de Soto claim?

Hernando de Soto claimed parts of what are now several southeastern U.S. states during his expedition in the 1530s and 1540s. His explorations included areas that are now Florida, Georgia, South Carolina, North Carolina, Tennessee, Alabama, Mississippi, and Arkansas. De Soto is often credited with being the first European to cross the Mississippi River. His journey significantly impacted the indigenous populations and European understanding of the region.