Geography of East Java

The Surabaya metropolitan area or Greater Surabaya, known locally as Gerbangkertosusila (Javanese: ꦒꦼꦂꦧꦁ​ꦏꦼꦂꦠꦱꦸꦱꦶꦭ, Gěrbangkěrtåsusila, from Gresik-Bangkalan-Mojokerto-Surabaya-Sidoarjo-Lamongan), is a metropolitan area in East Java, Indonesia. It is the country's second-largest metropolitan area, after the Jakarta metropolitan area. Gerbangkertosusila had also been used in presidential decree to refer to larger region which include Jombang, Bojonegoro, and Tuban.

Alas Purwo National Park is situated on Blambangan Peninsula in the Banyuwangi Regency, at the southeastern tip of East Java province. The park is famous for its wild Banteng and surfing location at Grajagan Bay.

Sapudi Islands are a group of 14 islands that lie between Madura Island and the Kangean islands of Indonesia. 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. The land area is 167.38 km, and there was a population of 82,024 at the 2010 Census and 85,284 at the 2020 Census, but the official estimate for mid 2022 showed a decline to 77,153. The Sapudi dialect of the Madurese language is spoken on the islands.

Tretes is a mountain tourist area in East Java, Indonesia. This area is located 60 km south of Surabaya, the capital city of East Java, and its administrative is part of Prigen, Pasuruan Regency. Tretes area is located on the slopes mountain of Arjuno-Welirang. The area is a popular area for tourism. This area is located at an altitude of 600–900 meters above sea level.

Meru Betiri National Park is a national park in the province of East Java, Indonesia, extending over an area of 580 km of which a small part is marine (8.45 km). The beaches of the park provide nesting grounds for endangered turtle species such as leatherback turtles, hawksbill turtles, green turtles, and olive ridley turtles.

The Sukorambi Botanical Garden (Indonesian: Taman Botani Sukorambi) is a botanical garden located in Sukorambi, Jember Regency, East Java, Indonesia.

The eastern salient of Java (Indonesian: ujung timur, "eastern end" or Tapal Kuda, "The Horseshoe" – referring to the region's shape on the map; Javanese: bang wetan, "far east", Dutch: Oosthoek, "eastern corner") is a region that makes up the easternmost part of the island of Java, Indonesia. It is not a formal or administrative subdivision, but rather a designation often used to refer to its distinct history, culture, and geographical feature. It is generally considered to begin in the Tengger mountain range and extend eastwards to the east coast of Java. It is entirely contained by the Indonesian province of East Java.

Gua Lowo is a cave which is located at Watuagung, Watulimo sub-district of Trenggalek Regency, East Java in Indonesia. Gua Lowo is an Indonesian word, which means bat's cave. There are no other fauna except bats in this cave. The cave is about 5 kilometers long, though only 859 meters of the cave is accessible. Based on statements from cave experts, Mr. Gilbert Manthovani and Dr. Robert K Kho in 1984, Gua Lowo is the longest natural cave in Southeast Asia.

Bromo Tengger Semeru National Park (Indonesian: Taman Nasional Bromo Tengger Semeru; abbreviated as TNBTS) is a national park located in East Java, Indonesia, to the east of Malang and Lumajang, to the south of Pasuruan and Probolinggo, and to the southeast of Surabaya, the capital of East Java. It is the only conservation area in Indonesia that has a sand sea, the Tengger Sand Sea (Indonesian: Laut Pasir Tengger), across which is the caldera of an ancient volcano (Tengger) from which four new volcanic cones have emerged. This unique feature covers a total area of 5,250 hectares at an altitude of about 2,100 meters (6,900 ft). The massif also contains the highest mountain in Java, Mount Semeru (3,676 meters (12,060 ft)), four lakes and 50 rivers. It is named after the Tenggerese people. The explosion of the volcano that created the caldera, happened ca. 45.000 years ago, in an event similar to the Krakatau eruption.

G-Land, also known as Plengkung Beach, is an internationally renowned surf break on Grajagan Bay, Banyuwangi, Alas Purwo National Park, East Java, Indonesia, about half a day by road from the popular tourist destinations of Bali. It is most commonly reached via boat charter from Bali.