Abas the Great, also known as Abbas I of Persia, was the fifth ruler of the Safavid dynasty in Iran, reigning from 1588 to 1629. He is renowned for his military successes, which expanded the Persian Empire and strengthened its borders. His reign marked a period of cultural and economic prosperity, as he promoted trade and the arts. Abas the Great is also known for his efforts to modernize the Persian military and government. He moved the capital from Qazvin to Isfahan, transforming it into a vibrant cultural center. His policies helped establish Shi'a Islam as the state religion, shaping Iran's identity for centuries.