Madura Island is an Indonesian island off the northeastern coast of Java. The island comprises an area of approximately 4,436.77 square kilometres (1,713.05 sq mi). Administratively, Madura is part of the province of East Java. It is separated from Java by the narrow Madura Strait. The administered area has a density of 755.6 people per km2 in mid 2023, while the main island has a somewhat higher figure of 840 per km2 at he same date.

Madurese is a language of the Madurese people, native to the Madura Island and Eastern Java, Indonesia; it is also spoken by migrants to other parts of Indonesia, namely the eastern salient of Java, the Masalembu Islands and even some on Kalimantan. It was traditionally written in the Javanese script, but the Latin script and the Pegon script is now more commonly used. The number of speakers, though shrinking, is estimated to be 10-13 million, making it one of the most widely spoken languages in the country. Bawean Madurese, which is a dialect of Madurese, is also spoken by Baweanese descendants in Malaysia and Singapore.