Mohenjo-Daro, meaning "Mound of the Dead," is one of the most significant archaeological sites of the ancient Indus Valley Civilization (also known as the Harappan Civilization). Located in the Sindh province of present-day Pakistan, Mohenjo-Daro was one of the largest and most advanced urban centers of the Harappan Civilization, flourishing approximately between 2600 BCE and 1900 BCE. Here's an overview of Mohenjo-Daro:

1.     Discovery: Mohenjo-Daro was first discovered in the 1920s by Sir John Marshall, the Director-General of the Archaeological Survey of India. Excavations at the site began in 1924 under the direction of Marshall and continued in the following years by a team of archaeologists, including Ernest Mackay, A. H. Dani, and Mortimer Wheeler.

2.     Urban Layout: Mohenjo-Daro was laid out in a planned grid pattern, with streets running in a north-south and east-west direction, forming rectangular city blocks. The city was divided into two major sectors: the Citadel and the Lower City. The Citadel, situated on a raised platform, likely served as a fortified administrative and religious center, while the Lower City housed residential areas, markets, workshops, and public buildings.

3.     Architecture: Mohenjo-Daro's architecture reflects the advanced urban planning and engineering skills of the Harappan civilization. The city was constructed using standardized baked mud bricks, with structures ranging from simple one-room houses to multi-story buildings. The Great Bath is one of the most iconic structures of Mohenjo-Daro, consisting of a large rectangular tank lined with bricks, surrounded by a veranda and staircases.

4.     Water Management: Mohenjo-Daro had an advanced system of water supply and drainage, with numerous wells, reservoirs, and covered drains. The Great Bath, believed to have been used for ritual bathing and possibly as a public water tank, was connected to a sophisticated drainage system that collected and disposed of wastewater.

5.     Crafts and Trade: Mohenjo-Daro was a center of craft production and trade, with evidence of pottery-making, metalworking, bead-making, shell-working, and other crafts. The discovery of seals and sealings bearing Indus script suggests the existence of administrative and commercial activities, including trade with other regions.

6.     Religion and Rituals: Mohenjo-Daro had several structures interpreted as religious or ceremonial in nature, including the Great Bath and the so-called "Granary" building. Small terracotta figurines, sculptures, and seals depicting deities, animals, and anthropomorphic figures have been found at the site, suggesting the presence of religious beliefs and rituals.

7.     Decline and Abandonment: The reasons for the decline and eventual abandonment of Mohenjo-Daro around 1900 BCE are not fully understood. Factors such as environmental changes, climate shifts, changes in river courses, economic decline, and possibly social or political upheavals have been proposed as contributing factors to the decline of Mohenjo-Daro and the Harappan Civilization as a whole.

8.     World Heritage Site: Mohenjo-Daro was designated a UNESCO World Heritage Site in 1980 in recognition of its outstanding universal value as an archaeological site of the ancient Indus Valley Civilization. It is considered one of the most important archaeological sites in South Asia and continues to be the subject of ongoing research and study.

Mohenjo-Daro's impressive urban planning, advanced infrastructure, and rich material culture provide valuable insights into the complexity and sophistication of the Harappan Civilization, making it a crucial site for understanding the ancient history of the Indian subcontinent.