The Temple of Olympian Zeus is located along Leof. Vasilissis Olgas, and is around 300 meters 5 minutes walk from Acropoli metro station. It is open daily from 0800-1500. Also known as Olympieion, was built between 174 and 132 BC, it was dedicated to Zeus, the king of gods in Greek mythology. It was one of the largest temples ever built in the ancient world, measuring 96 meters long and 40 meters wide. It was 500 meters southeast of Acropolis, only 15 majestic columns which are one of the most important remains from ancient Greece. On the northeast corner of the monument is a remarkable 18 meters marble Hadrian's Arch.