Banyuwangi Regency is a regency (Indonesian: kabupaten) of East Java province in Indonesia. The regency is located at the easternmost end of Java Island. It serves as a port between Java and Bali. It is surrounded by mountains and forests to the west; by sea to the east and south. Banyuwangi is separated by the Strait of Bali from Bali.
With an area of 5,782.4 km2, this regency is the largest in Java. It had a population of 1,488,791 according to the 2000 Census; by the 2010 Census it had risen to 1,556,078; and the latest official estimate (for January 2014) is 1,599,788. The city of Banyuwangi is the administrative capital. The name Banyuwangi is Javanese for "fragrant water", connected to the Javanese folklore of Sri Tanjung.