The Harappan sites were spread over Kathiawar and Gujarat almost the whole Punjab, Northern Rajasthan, Jammu, Sindh, Afghanistan and Balochistan.
- Western Boundary: Sutkagendor on the Makran coast of Pakistan
- Eastern Boundary: Alamgirpur in Uttar Pradesh
- Southern Boundary: Daimabad in Maharashtra
- Northern boundary: Manda Akhnoor in Jammu and Kashmir
Heartland of Harappan Civilization: The Harappa Ghaggar (Kalibangan) Mahenjodaro axis
The 1400 settlements, discovered so far are distributed over very wide geographical area. Form west to east the Indus civilization covered area of 1600 km and from north to south of 1100 km.
All the settlements are located on the river banks of the Indus and Saraswati rivers.
in 1947, after partition all the well known areas of the Harappan sites- Mohenjodaro, Harappa, Chanhudaro and Jhakar went to Pakistan.
The shape of the civilization was triangular covering an area of about 12, 50, 000 sq. km
The discovery in January 2014, of two new mounds at the ancient Harappan site of Rakhigarhi in Haryana, India, now makes it the largest known site of the Harappan (Indus Valley) civilisation, even outdoing the well-known site of Mohenjo-daro in Pakistan.
Rakhigarhi becoming the largest Indus Valley Civilization site, overtaking Mohenjodaro (300 Hectares) by almost 50 hectares, resulting in almost 350 hectares. The size and uniqueness of Rakhigarhi has drawn much attention of archaeologists all over the world.