Athens. Greece. View of the Odeion of Herodes Atticus in the foreground and the pine covered slopes of Filopappos Hill or Hill of the Muses, the highest summit in Southern Athens which is crowned by the tomb monument of Roman senator Gaius Julius Antiochus Filopappos. The Odeion or Theatre was built in 161 AD by the wealthy Herodes Atticus, a teacher and philosopher, in memory of his wife Regilla, it dominates the SW slopes of the Acropolis with its three-storeyed stage building and steeply sloped semicircular auditorium or cavea. Filopappos, a Syrian prince and benefactor of Athens, had his Pentelic marble monument built directly facing the Acropolis in 114-6 AD.