It is part of the Greater Sunda Islands and is located in the Java Sea.

The Sapudi Islands are administered as three kecamatan (districts) of Sumenep Regency in the province of East Java.

[1] The Sapudi dialect of the Madurese language is spoken on the islands.

Gayam District includes the southern half of Sapudi Island.

The main settlement on Sapudi Island (Nonggunong District) is Sonok, while on Raas Island, the main settlement is at Brakas in the east.