Eastern United States.
Oldest human settlements would probably be in Africa. Ethiopian human settlements may be 130,000 to 200,000 years old (datings vary). But the scientists are always finding older & older human beings, dating back millions of years, so we're always finding older & older settlements.
Antarctica
it is located near the Pacific Ocean
Nice is known more for its Art and Culture. It is one of the oldest Human settlements too.
The Mesopotamian region, located between the Tigris and Euphrates rivers in the Middle East, is known for its fertile valley. This region is historically considered one of the cradles of civilization due to its rich agricultural land that supported early human settlements.
The earliest human settlements were little farming villages located in Mesopotamia, modern-day Iraq.
go research it your self
near the Pacific Ocean
Settlements in the desert southwest tend to be located near water sources, such as rivers or oases, which are crucial for agriculture and human survival in arid environments. Additionally, these settlements often have strategic positions for trading routes or defense, contributing to their placement in specific locations within the region.
settlements that are permanent rather than transitory.
The oldest known archaeological remains found in Nigeria date to about 11,000 B.C. It is possible that humans arrived in the region earlier than that, but no remains of their settlements have been discovered.
An uninhabitable region or area that cannot support human life is generally referred to as a barren or inhospitable environment. Examples include deserts, polar regions, or extreme mountaintops.