Increased population density gave rise of urban centers and regional chiefdoms, of which the greatest was the settlement known as Cahokia, in present-day Illinois.

Joara was a regional chiefdom established around the year 1000 near the present day town of Morganton, North Carolina.

The Louisville area was on the eastern border of the Mississippian culture, in which regional chiefdoms built villages and cities with extensive earthwork mounds.

Cahokia, the largest regional chiefdom and urban center of the Pre-Columbian Mississippian culture, was located near present-day Collinsville, Illinois.

Spanish explorers traveling inland in the 16th century met Mississippian culture people at Joara, a regional chiefdom near present-day Morganton.

Joara was a regional chiefdom in this culture.

Joara was a large Native American settlement, a regional chiefdom of the Mississippian culture, located in what is now Burke County, North Carolina.

It was a regional chiefdom, established on the west bank of Upper Creek and within sight of Table Rock, a dominant geographical feature of the area.

The town served as the political center of a regional chiefdom that controlled many of the surrounding native settlements.

The town, which overlooks the Ohio River, became the center of a regional chiefdom.