Mojokerto is a city in East Java Province of Indonesia. It is located 40 km southwest of Surabaya, the provincial capital, and constitutes one of the component units of the Surabaya metropolitan area which comprises Gresik Regency, Bangkalan Regency, Mojokerto Regency, Mojokerto City, Surabaya City, Sidoarjo Regency, and Lamongan Regency.