Philopappos Monument built
116 CE.
Shown on the map at 37.967°, 23.721°.
The Philopappos Monument (Greek: Μνημείο Φιλοπάππου, Mnimío Philopáppou, [mniˈmio filoˈpapu]) is an ancient Roman mausoleum and monument dedicated to Gaius Julius Antiochus Epiphanes Philopappos or Philopappus (Greek: Γάιος Ιούλιος Αντίοχος Επιφανής Φιλόπαππος, 65–116 AD), a prince from the Kingdom of Commagene. It is located on Mouseion Hill in Athens, Greece, southwest of the Acropolis.
Text from the Wikipedia article Philopappos Monument, licensed CC BY-SA 4.0.