The Arch of Marcus Aurelius is a Roman triumphal arch in the city of Oea, modern Tripoli, Libya, where it is found near the northeastern entrance to the Medina.
Wikipedia https://en.wikipedia.org/wiki/Arch_of_Marcus_Aurelius
Address Shari Al Hara Al Qebira, Tripoli, Libya
Coordinates 32°53'59.561" N 13°10'32.816" E