Persian Civilization, centered in modern-day Iran, emerged around 550 BCE with the rise of the Achaemenid Empire. This empire is known for its vast territory, which stretched from the Indus Valley to Greece, and for its innovative administrative practices, including the use of satraps to govern provinces. The Persian Royal Road facilitated trade and communication across the empire, contributing to its economic prosperity. The civilization is also renowned for its cultural achievements, including advancements in art, architecture, and philosophy. Notable structures like the Persepolis and the development of the Zoroastrian religion reflect the rich heritage of Persian society. The influence of Persian Civilization can still be seen in various aspects of modern culture and governance.