Trading port at modern Berbera. Per the Periplus of the Erythraean Sea, the least contentious and most peaceable of the Barbaria-coast emporia, maintaining an active monetary market that exchanged goods in Roman-minted currency, and the closest African port to Arabia.
Underlying site continued in use as the modern city of Berbera; the specific ancient port's transition/decline is undocumented in the sources checked.
Regional context for Horn of Africa Indian Ocean trade networks.