261-246 BC Ancient Greece, Lydia, Antiochus II Ancient Grades vf. Lydia was an Iron Age kingdom situated in the west of Asia Minor, in modern-day Turkey. The ethnic group inhabiting this kingdom are known as the Lydians, and their language as Lydian and their capital was Sardis. The Kingdom of Lydia existed from about 1200 BC to 546 BC. At its greatest extent, during the 7th century BC, it covered all of western Anatolia. In 546 BC, it became a satrapy of the Achaemenid Empire, known as Sparda in Old Persian. In 133 BC, it became part of the Roman province of Asia. Antiochus II Theos was a Greek king of the Hellenistic Seleucid Empire who reigned from 261 to 246 BC. He succeeded his father Antiochus I Soter in the winter of 262–61 BC. He was the younger son of Antiochus I and princess Stratonice, the daughter of Demetrius Poliorcetes.