The Pergamon Altar is an ancient Greek monument located in the city of Pergamon, which is in modern-day Turkey. Built during the reign of King Eumenes II in the 2nd century BCE, it was dedicated to the Greek god Zeus. The altar is renowned for its impressive friezes that depict the battle between the gods and giants, showcasing the artistic skill of the Hellenistic period. Today, the Pergamon Altar is housed in the Pergamon Museum in Berlin, Germany. It is considered one of the most significant examples of ancient Greek art and architecture, reflecting the cultural and political power of the Kingdom of Pergamon during its height.