Rawalpindi District (Punjabi and ) is a district located in the northernmost part of the Punjab province of Pakistan. Parts of the district form part of the Islamabad Rawalpindi metropolitan area. Rawalpindi city is the district capital. The district has an area of . Originally, its area was until the 1960s when Islamabad Capital Territory was carved out of the district, giving away an area of . It is situated on the southern slopes of the north-western extremities of the Himalayas, including large mountain tracts with rich valleys traversed by mountain rivers. The chief rivers are the Indus and the Jhelum, and it is noted for its milder climate and abundant rainfall due to its proximity to the foothills. History Ancient history In ancient times the whole or the greater part of the area between the Indus and the Jhelum seems to have belonged to a Naga tribe called Takshakas, who gave their name to the city of Takshasila. Known as Taxila by the Greek historians, the location of the ancient city has been identified to be in the ruins of Shahdheri in the north-west corner of the District. At the time of Alexander's invasion Taxila was described by Arrian as a flourishing city, the greatest indeed between the Indus and the Hydaspes; Strabo adds that the neighbouring country was crowded with inhabitants and very fertile; and Pliny speaks of it as a famous city situated in a district called Amanda. The invasion of Demetrius in 195 B.C. brought the Punjab under the Graeco-Bactrian kings. Later they were superseded by the Sakas, who ruled at Taxila with the title of Satrap. At the time of Hiuen Tsiang the country was a dependency of Kashmir. Mughal era Sultan Mahmud Ghaznavi passed through the District after his defeat of Anand Pal and capture of Ohind. The Gakhars, a tribe still of importance within the district trace their origins back to Mahmud of Ghanzi. The first mention of the Gakhars occurs in the memoirs of Babar, who gives an interesting account of the capture of their capital, Paralah. It was strongly situated in the hills, and was defended with great bravery by its chief Hati Khan, who escaped from one gate as the Mughal army marched in at the other. Hati Khan died by poison in 1525 ; his cousin and murderer Sultan Sarang then submitted to Babar, who conferred on him the