Greater Sunda Islands

Java is one of the Greater Sunda Islands in the South East Asian country of Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea (a part of Pacific Ocean) to the north. With a population of 156.9 million people (including Madura) in mid 2024, projected to have risen to 158 million by mid-2025, Java is the world's most populous island, home to approximately 56% of the Indonesian population while constituting only 7% of its land area. Indonesia's capital city, Jakarta, is on Java's northwestern coast.

Sumatra () is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the sixth-largest island in the world at 482,286.55 km2 (182,812 mi.2), including adjacent islands such as Simeulue, Nias, the Mentawai Islands, Enggano, the various achipelagoes comprising the Riau Islands Province, Bangka and Belitung and the Krakatoa archipelago.

Borneo () is the third-largest island in the world, with an area of , and population of 23,053,723 (2020 national censuses). Situated at the geographic centre of Maritime Southeast Asia, it is one of the Greater Sunda Islands, located north of Java, west of Sulawesi, and east of Sumatra. The island is crossed by the equator, which divides it roughly in half. In Indonesia, the island is also known as Kalimantan, which is also the name of the Indonesian region located on the island.

Sulawesi ( , ), also known as Celebes ( ), is an island in Indonesia. One of the four Greater Sunda Islands, and the world's 11th-largest island, it is situated east of Borneo, west of the Maluku Islands, and south of Mindanao and the Sulu Archipelago. Within Indonesia, only Sumatra, Borneo, and Papua are larger in territory, and only Java and Sumatra are more populous.

western part of the Malayo-Indonesian Archipelago

Kalimantan () is the Indonesian portion of the island of Borneo. It constitutes 73% of the island's area, and consists of the provinces of Central Kalimantan, East Kalimantan, North Kalimantan, South Kalimantan, and West Kalimantan. The non-Indonesian parts of Borneo are Brunei and East Malaysia. In Indonesia the whole island of Borneo is also called "Kalimantan".

group of four islands in the Malayo-Indonesian Archipelago

Madura is an Indonesian island off the northeastern coast of Java. The island has an area of about , but administratively Madura comprises an area of around due to the inclusion of various smaller islands to the east, southeast and north that are part of Madura's easternmost Sumenep Regency. Madura is part of the province of East Java. It is separated from Java by the narrow Madura Strait. The administered area had a density of 773 people per km2 (2,003 per sq. mile) in mid-2024, while the main island had a somewhat higher figure of 862.3 per km2 (2,233 per sq. mile).

strait

Karimunjawa Islands or Karimunjava Islands () is an archipelago of 27 islands in the Java Sea, Indonesia, approximately 80 kilometres northwest of Jepara. They have a total land area of 45.62 km2. The main island is known as Karimun (2,700 ha), while the second-largest island is Kemujan (1,400 ha).

a volcanic arc in Indonesia

sound in Indonesia

island in Jepara Regency, Central Java Province, Indonesia

island in Jepara Regency, Central Java Province, Indonesia