Amri

(from the article `India`) ...settlements is the evidence for a hierarchy among the sites, culminating in a number of substantial walled towns. The first site to be recognized ...
Found on http://www.britannica.com/eb/a-z/a/65

Amri

[Pre-Harappa] Amri is the site of a Pre-Harappa fortified town which flourished from 3600 to 3300 BC. The site is located south of Mohenjo Daro on Hyderabad-Dadu Road about 110 kilometres north of Hyderabad in Sindh province of Pakistan. Situated near foothills of Kirthar Mountains, this was an important earlier urban center in Lower Sindh....
Found on http://en.wikipedia.org/wiki/Amri_(Pre-Harappa)
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