Pakistan (i/ˈpækɨstæn/ or i/pɑːkiˈstɑːn/; Urdu: پاكِستان, Pākistān, Urdu pronunciation: [ˌpɑː.kɪs.ˈt̪ɑːn] ( listen)), officially the Islamic Republic of Pakistan (Urdu: اِسلامی جُمہُوریۂ پاكِستان, Islāmī Jumhūriya-ē Pākistān, pronounced [ɪsˈlɑːˌmi d͡ʒʊmˈɦu.riə-ˌeː ˌpɑː.kɪsˈt̪ɑːn]), is a sovereign country in South Asia.
Pakistan has a 1,046-kilometre (650 mi) coastline along the Arabian Sea and the Gulf of Oman in the south and is bordered by India to the east, Afghanistan to the west and north, Iran to the southwest and China in the far northeast. It is separated from Tajikistan by Afghanistan's narrow Wakhan Corridor in the north, and also shares a marine border with Oman.
More information on the Wikipedia page 
See also List of libraries in Lahore