Rawalpindi commonly known as Pindi is a city in the Punjab province of Pakistan. Rawalpindi is adjacent to Pakistan’s capital of Islamabad, and the two are jointly known as the “twin cities” on account of strong social and economic links between the cities. Rawalpindi is the fourth-largest city in Pakistan by population, while the larger Islamabad Rawalpindi metropolitan area is the country’s third-largest metropolitan area.From top, left to right: Rawalpindi Railway Station, Ayub National Park, Gulshan Dadn Khan Maseet.