Sialkot is a city in, and the administrative headquarters for, Sialkot District, located in the north-east of the Punjab, Pakistan. Sialkot is Pakistan's 12th most populous city. Sialkot is 5000 years old city.Sialkot was the capital of ancient Indo-Greek empire. Menander one of the Indo-Greek kings made his capital to Sialkot after the victory of Alexander the Great and got converted into Buddhism under Nagsena.