Σάρδεις, the ancient capital of Lydia, is located in modern-day Turkey. It was known for its wealth and strategic position along trade routes. The city was famous for its production of gold and silver coins, which played a significant role in the development of currency in the ancient world. The site of Σάρδεις features impressive ruins, including the remains of the Temple of Artemis and a large theater. It was also home to the legendary king Croesus, who is often associated with great wealth. Today, Σάρδεις is an important archaeological site that attracts historians and tourists alike.