Banten is the westernmost province on the island of Java, Indonesia. Its capital city is Serang and its largest city is Tangerang. The province borders West Java and the Special Capital Region of Jakarta on the east, the Java Sea on the north, the Indian Ocean on the south, and the Sunda Strait on the west and shares a maritime border with Bengkulu and Lampung to the east and Bangka Belitung Islands to the north. The province covers an area of 9,352.77 km2 (3,611.12 sq mi). It had a population of over 11.9 million in the 2020 census, up from about 10.6 million in 2010. The estimated mid-2023 population was 12.308 million. Formerly part of the province of West Java, Banten was split off to become a province on 17 October 2000.

Java is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea to the north. With a population of 151.6 million people, Java is the world's most populous island, home to approximately 56% of the Indonesian population. Indonesia's capital city, Jakarta, is on Java's northwestern coast.