karachi is the largest city in the world
Karachi Karachi (Urdu: کراچی‎; ALA-LC: Karācī, IPA: [kəˈraːˌtʃi] ( listen); Sindhi: ڪراچي‎) is the capital of the Pakistani province of Sindh. It is the most populous city in Pakistan,[11][12] sixth most populous city proper in the world[13][14] and the 8th most populous metropolitan city in the world.[15] Ranked as a beta world city,[16][17] the city is Pakistan's premier industrial and financial centre.[18] Karachi is also Pakistan's most cosmopolitan city.[19] Situated on the Arabian Sea, Karachi serves as a transport hub, and is home to two of Pakistan's two largest seaports, the Port of Karachi and Port Bin Qasim, as well as the busiest airport in Pakistan.
Afghanistan Afghanistan (/æfˈɡænɪstæn/ ( listen); Pashto/Dari: افغانستان‎, Pashto: Afġānistān [avɣɒnisˈtɒn, abɣɒnisˈtɒn],[9] Dari: Afġānestān [avɣɒnesˈtɒn]), officially the Islamic Republic of Afghanistan, is a landlocked country located within South Asia and Central Asia.[10][11] The country has a population of 35 million, making it the 42nd most populous country in the world. Afghanistan is bordered by Pakistan in the south and east; Iran in the west; Turkmenistan, Uzbekistan, and Tajikistan in the north; and China in the far northeast - it also borders Gilgit-Baltistan in this region which is claimed by India. Its territory covers 652,000 square kilometers (252,000 sq mi), making it the 41st largest country in the world.