The Ganjnameh Inscription is an ancient inscription located near the city of Hamadan in Iran. It dates back to the reign of Darius the Great, a prominent king of the Achaemenid Empire, around 500 BCE. The inscription is carved on a rock face and features three languages: Old Persian, Elamite, and Babylonian, celebrating Darius's achievements and divine support. The Ganjnameh Inscription is significant for its historical and linguistic value, providing insights into the culture and administration of the Achaemenid Empire. It also serves as a testament to the artistic and architectural skills of the ancient Persians, reflecting their dedication to monumental inscriptions.