Tuban is a town located on the north coast of Java, in Tuban Regency, approximately 100 km west of Surabaya, the capital of East Java. Tuban Regency is surrounded by Lamongan Regency in the east, Bojonegoro Regency in the south, and Rembang Regency, Central Java in the west. Tuban town covers 21.29 km2 and in mid-2023 had an officially estimated population of 88,052. As an ancient town, Tuban is of considerable historical and cultural value.