Surabaya (formerly Dutch: Soerabaja/Soerabaia Javanese: Suroboyo) is the capital of Jawa Timur (East Java), located on northeastern Java island and along the edge of the Madura Strait and the second-largest-city in Indonesia. At the 2010 census, the city had a population over 2.8 million and its built-up (or metro) area, 7,302,283 inhabitants made of 2 cities and 50 districts spreads on Gresik, Sidoarjo, Mojokerto and Pasuruan regencies.