Complex sentence: De Soto's expedition visited many of the Georgia and Tennessee villages later identified as Cherokee, but recorded them as then ruled by the Coosa chiefdom, while a Chalaque nation was recorded as living around the Keowee River where North Carolina, South Carolina and Georgia meet.
Split into simpler sentences: De Soto's expedition visited many of the Georgia and Tennessee villages later identified as Cherokee, but recorded them as then ruled by the Coosa chiefdom. The Spanish recorded a Chalaque nation as living around the Keowee River where North Carolina, South Carolina and Georgia meet.