Madura is a large island outside East Java, 5.290 square kilometers, about 160 km long and 35 km wide. It is separated from Surabaya by the narrow Madura strait, and is administered as a part of the East Java district. Main income is fishing, salt, cattle and agriculture. The local capital is Pamekasan. Number of inhabitants is about 3-4 million, and the population is considered to be an unique ethnic group like Javanese and Sundanese. Madurese is also a separate language.