Pergamon
Pergamon's other notable structure is the great temple of the Egyptian gods Isis and/or Serapis, known today as the "Red Basilica" (or "Kızıl Avlu" in Turkish), about south of the Acropolis at (39 7' 19" N, 27 11' 1" E). It consists of a main building and two round towers within an enormous "temenos" or sacred area. The temple towers flanking the main building had courtyards with pools used for ablutions at each end, flanked by stoas on three sides. The forecourt of the Temple of Isis/Sarapis is still supported by the Pergamon Bridge, the largest bridge substruction of antiquity.
Bergama
Allianoi is an ancient spa settlement, with remains dating predominantly from the Roman Empire period (2nd century AD) located near the city of Bergama (ancient Pergamon) in Turkey's İzmir Province. The site is at a distance of to the northeast of Bergama, on the road to the neighboring town of İvrindi.