The gate complex at the quarter of Kerameikos, Athens: the Dipylon and Sacred Gate, with the Pompeion, as they were in ca. 300 BC. Later (late Hellenistic/Roman) additions to the Dipylon are also included. 
Sources: Google Maps; Ursula Knigge (1988). Der Kerameikos von Athen. Führung durch Ausgrabungen und Geschichte; Ioannis Travlos (1960), Πολεοδομική εξέλιξις των Αθηνών: από των προϊστορικών χρόνων μέχρι των αρχών του 19ου αιώνος.
Own work
Constantine Plakidas