Harappa is an archaeological site associated with which ancient civilization?

Explanation: Harappa is one of the major archaeological sites of the Indus Valley Civilization, one of the world's earliest urban civilizations. Located in present-day Punjab, Pakistan, Harappa flourished around 2600–1900 BCE. The site is known for its advanced city planning, drainage systems, standardized bricks, and evidence of organized trade and social structure, highlighting the sophistication of this ancient civilization.