Seleucia was an ancient city located near the Tigris River in present-day Iraq. Founded in the 4th century BCE by Seleucus I Nicator, a general of Alexander the Great, it served as the capital of the Seleucid Empire. The city was known for its strategic location and vibrant trade, connecting various cultures and regions. Over time, Seleucia became a significant cultural and economic center, featuring impressive architecture, including temples and theaters. It was home to a diverse population, including Greeks, Persians, and Jews. The city eventually declined due to various factors, including competition from nearby Ctesiphon and changing trade routes.