The eastern salient of Java (
Indonesian: ', "eastern end" or ', "The Horseshoe" – referring to the region's shape on the map; , "far east", , "eastern corner") is a region that makes up the easternmost part of the island of
Java
Java is one of the Greater Sunda Islands in 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, proje ...
,
Indonesia
Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...
. 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.
Geography

The eastern salient consists of the narrow peninsula in the eastern extremity of the Java island. Anthropologist
Robert W. Hefner considered the western boundary of the region to be just east of the modern-day Malang-Surabaya highway. The region extends 180 kilometers east-to-west, (out of Java's total length of about 1,000 kilometers), to the east coast of Java, just across the strait from
Bali
Bali (English:; Balinese language, Balinese: ) is a Provinces of Indonesia, province of Indonesia and the westernmost of the Lesser Sunda Islands. East of Java and west of Lombok, the province includes the island of Bali and a few smaller o ...
. Unlike Java's central heartland and northern coast, the region is drier, more rugged, and lacks major rivers. These factors make wet-rice agriculture less extensive here than in central regions of Java. The region covers the
regencies of:
Probolinggo,
Lumajang,
Jember,
Situbondo,
Bondowoso
Bondowoso Regency () is a landlocked Regencies of Indonesia, regency in East Java, Indonesia. It covers an area of 1,560.10 km2, and had a population of 736,772 at the 2010 CensusBiro Pusat Statistik, Jakarta, 2011. and 776,151 at the 2020 ...
, and
Banyuwangi, the eastern part of the
Pasuruan Regency, as well as the city of
Probolinggo.
The western section of the region, among Java's most rugged, isolated the eastern salient from Java's central heartland to its west. The
Tengger massif (including
Mount Bromo), and
Mount Semeru, Java's highest peak, lie in this section. Together they form the
Bromo Tengger Semeru National Park. The
Iyang-Argapura massif lies in the central section, and the
Ijen composite volcano lies in the eastern section.
Between the tight mountain formations, there are
river basins which support rice-based communities. However, the basin area is much narrower than in other parts of Java.
Blambangan Peninsula lies in the southeasternmost area.
History
During the formative early period of Javanese history, eastern salient of Java was quite isolated from the center of Javanese polity. As the cradle of Javanese civilization blossomed in the ninth century in
Progo and
Opak River valley in Central Java during
Mataram kingdom, later shifted east to
Brantas River valley during Kediri,
Singhasari
Singhasari ( or , ), also known as Tumapel, was a Javanese people, Javanese Hindu-Buddist empires, Hindu-Buddhist Monarchy, kingdom located in east Java (island), Java between 1222 and 1292. The kingdom succeeded the Kingdom of Kediri as th ...
and later
Majapahit Kingdom circa fourteenth century. During Majapahit period, the eastern realm was regarded as peripheral area of the Javanese kingdom, which centered in Majapahit and surrounding Brantas River basin. Whereas eastern salient areas such as Lumajang is regarded as the outlying provinces.
The Majapahit kingdom was established in 1293 by
Raden Wijaya with the help of cunning and able
Arya Wiraraja, the Regent of
Madura
is an list of islands of Indonesia, Indonesian island off the northeastern coast of Java. The island comprises an area of approximately (administratively including various smaller islands to the east, southeast and north that are administratively ...
. As the reward of Wiraraja's support, in 1295, Raden Wijaya agreed to give him the eastern salient of Java, which includes Blambangan areas with
Lumajang as its capital. The eastern realm become the vassal or as ''mancanagara'' (provinces) of Majapahit. However, it seems that the eastern realm steadily has grown quite independently. The eastern salient become the host of eastern court which rival Majapahit central authority. The rivalry erupted in
Regreg war (1404–1406), which was fought as the contest of succession between
Western court led by
Wikramawardhana, against
Eastern court led by
Bhre Wirabhumi. In 1406 the western troops led by Bhre Tumapel, the son of Wikramawardhana, penetrated the eastern palace and defeated Bhre Wirabhumi.
At the time of the collapse of Majapahit in the late fifteenth century,
Blambangan stood on its own as the one solitary Hindu kingdom left in Java, controlling the larger part of Java's eastern salient. For almost three centuries, Blambangan was situated between two different political factions, the Islamic state of Mataram in the west, and various
Hindu realms in Bali (Gelgel, Buleleng, and Mengwi) in the east. Both neighbouring powers simultaneously contested the territory of Blambangan.
For most of the
modern era
The modern era or the modern period is considered the current historical period of human history. It was originally applied to the history of Europe and Western history for events that came after the Middle Ages, often from around the year 1500 ...
, the eastern salient lay outside the control of Javanese political powers, which were typically based in
Central Java
Central Java (, ) is a Provinces of Indonesia, province of Indonesia, located in the middle of the island of Java. Its administrative capital is Semarang. It is bordered by West Java in the west, the Indian Ocean and the Special Region of Yogya ...
.
Sultan Agung of
Mataram's
conquest of eastern Java in 1614–1625, while managing to conquer Surabaya, Malang, Pasuruan and Madura, did not establish control over the eastern salient. A renewed campaign in 1640 brought the region under Mataram's control until Agung's death in 1645. His successor,
Amangkurat I, tried unsuccessfully to subdue the region in 1647. From this point neither Mataram nor any other central Javanese polity would have effective control over the region. It remained outside Mataram's influence between the seventeenth to nineteenth centuries, when that region was developing the features and characteristics known today as essentially
Javanese.
In 1686,
Surapati, a resistance leader against the
Dutch East Indies Company (known by the Dutch acronym, "VOC") fled to the eastern salient and set up an independent polity at
Pasuruan, which ultimately controlled most of the region. His domain also extended to territories formerly controlled by Mataram. Mataram counter-attacked in 1690 but was defeated, partly because of Surapati's previous experience in European military techniques. A combined Dutch-Mataram-Madurese force killed Surapati in 1706 and captured Pasuruan in 1707. However, neither the Dutch or Mataram were able to establish control over the region as a whole.
In the aftermath of the
Java War (1741–1743) in which the Dutch defeated Mataram, Mataram gave up its claim to the region and "ceded" it to the Dutch (although it did not control the region in the first place) along with other concessions. The Dutch attempt to establish control was met by resistance, including from people calling themselves "descendants of Surapati". In 1764, the Dutch, supported by local allies, defeated the resistance in the Tengger section of the region, and in 1771 they pacified
Blambangan, the easternmost section of the region.
Under Dutch control, the region was called ''De Oosthoek'' ("The east corner") and was supervised by a ''
gezaghebber'' ("commander"). The Dutch encouraged the population's conversion to Islam, in order to erode the Hindu-Balinese influence from further east. After
Indonesia's independence, the region became part of the
East Java province, and is often called ''Tapal Kuda'' ("The Horseshoe"), referring to how the region looks on a map.
Inhabitants and culture

The eastern salient has a population of at least 7.5 million, according to the
Indonesia 2010 census.
[ The sum of the last columns of rows 08-13 and 75 is 7,592,959. This is a lower bound because according to , the eastern salient covers all these seven subdivision, plus the eastern part of the Pasuruan Regency (pop. 1,512,468)] As with most of
Central and
East Java, its inhabitants are mostly ethnic
Javanese. This includes the
Tenggerese sub-ethnic group who live in the
Tengger mountains and the
Osing subgroup in the easternmost
Banyuwangi regency. Because the region was outside Mataram's influence during the "formative period" of the Javanese tradition, the inhabitants of the eastern salient often differ from other Javanese in terms of etiquette, language, art, and social hierarchy. In contrast to the social hierarchy of Central Java, the eastern salient maintained its frontier character, populist mannerism, and less hierarchical ways, which remain to the present day.
Because of steady migration from the island of
Madura
is an list of islands of Indonesia, Indonesian island off the northeastern coast of Java. The island comprises an area of approximately (administratively including various smaller islands to the east, southeast and north that are administratively ...
off the eastern salient's north coast, the
Madurese also inhabit the area. Since the nineteenth century, Madurese have become the dominant ethnic group in some areas, such as Pasuruan.
The region is predominantly Muslim, but Islam was not well-established until the late eighteenth century. Major conversions to Islam occurred when the region was under the VOC's control, with the company supporting the conversions (sometimes by force). The Tengger mountains are a notable exception. The Tenggerese are predominantly Hindu, and a
Shivaite priesthood remains. In addition, parts of the highlands have few orthodox Muslim influences, and have a strong
Kejawen tradition.
References
Footnotes
Bibliography
*
*
*
*
* {{cite thesis , last=Margana , first=Sri , date=13 December 2007 , title=Java's last frontier : the struggle for hegemony of Blambangan, c. 1763–1813, publisher=Faculty of Arts,
Leiden University
Leiden University (abbreviated as ''LEI''; ) is a Public university, public research university in Leiden, Netherlands. Established in 1575 by William the Silent, William, Prince of Orange as a Protestantism, Protestant institution, it holds the d ...
, url=https://openaccess.leidenuniv.nl/handle/1887/12547 , type=Doctoral thesis
Geography of East Java