Original: There are several Balti communities located in Pakistan 's urban areas further south , notably in Lahore , Islamabad and in Karachi Script Balti is also the name of the Tibetan Balti script , which was replaced by the Persian script in the 17th century .
Simplified: There are several Balti communities in Pakistan 's urban areas further south , that is in Lahore , Islamabad , in Karachi and other places .