Khyber Pakhtunkhwa (Urdu: خیبر پختونخوا [ˈxɛːbər pəxˈt̪uːnxwaː], Pashto: خیبر پښتونخوا [xaibər paʂtunxwɑ], locally Pukhtunkhwa [puxtunxwɑ]), often shortened to KPK and formerly known as the North-West Frontier Province and various other names, is one of the four provinces of Pakistan, located in the north-west of the country. It borders Afghanistan to the north-west, Gilgit-Baltistan to the north-east, Azad Kashmir to the east, the Federally Administered Tribal Areas (FATA) to the west and south, Balochistan to the south and Punjab and the Islamabad Capital Territory to the south-east.
http://en.wikipedia.org/wiki/Khyber_Pakhtunkhwa