What was the fortress in Mohenjo- Dario?

The fortress in Mohenjo-Daro, part of the ancient Indus Valley Civilization, is a prominent structure believed to have served as a citadel. It was likely a center for administrative and religious activities, showcasing advanced urban planning and architecture. The fortress featured large brick walls and was situated on higher ground, providing protection and a strategic vantage point. Its significance reflects the complexity and organization of the society that inhabited Mohenjo-Daro around 2500 BCE.