Rahi Yar Khan or Rahim Yar Khan is a city in the south of
Punjab province in
Pakistan. The previous name of the city was Naushehra which was built as a castle in 1750 by Fazal Elahi Halani on the ruins of the ancient Pul-Wadda. Pul-Wadda had been built during the
Sumra rule of Sindh. In 1883 Nawab Sadiq Khan-IV of [Bahawalpur (princely state)|[Bahawalpur]] renamed it after his son Rahim Yar Khan. Formerly Rahimyar Khan was also one of the names of the three districts of the former princely
State of Bahawalpur until 1955. Today, Rahimyar Khan lies on an important train route which runs south to
Sukkur and north to
Bahawalpur. According to the 1998 census, the city population was 233,537 with an annual growth rate of 4.04%. As of January 2007, it is around 330,000.
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