Punjab is a province of Pakistan. Located in the central-eastern region of the country, Punjab is the second-largest province of Pakistan by land area and the largest by population. Lahore is the capital and the largest city of the province. Other major cities include Faisalabad, Rawalpindi, Gujranwala and Multan. According to 2023 Pakistani census populati…Punjab is a province of Pakistan. Located in the central-eastern region of the country, Punjab is the second-largest province of Pakistan by land area and the largest by population. Lahore is the capital and the largest city of the province. Other major cities include Faisalabad, Rawalpindi, Gujranwala and Multan. According to 2023 Pakistani census population of Punjab province was 127,333,305.