Small and often unassuming coins offer exciting insights into international trade relations. Roman coins have been found in southern India, for instance, Greek ones in north-west India. Finds of coins permit the reconstruction of specific trade routes or entire commercial networks. Gandhara was a centre ofand a hub that traded in goods from around the world. The region, located in what is now parts of Afghanistan and Pakistan, lay along the that connected China with India, the Middle East, and the Mediterranean.