Eritrea–Sudan Border
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Eritrea Eritrea, officially the State of Eritrea, is a country in the Horn of Africa region of East Africa, with its capital and largest city being Asmara. It is bordered by Ethiopia in the Eritrea–Ethiopia border, south, Sudan in the west, and Dj ...
Sudan Sudan, officially the Republic of the Sudan, is a country in Northeast Africa. It borders the Central African Republic to the southwest, Chad to the west, Libya to the northwest, Egypt to the north, the Red Sea to the east, Eritrea and Ethiopi ...
border (
Tigrinya Tigrinya may refer to: * Tigrinya language Tigrinya, sometimes romanized as Tigrigna, is an Ethio-Semitic languages, Ethio-Semitic language, which is a subgrouping within the Semitic languages, Semitic branch of the Afroasiatic languages. It i ...
: ዶብ ኤርትራ-ሱዳን; Italian: Confine Eritrea-Sudan;
Arabic Arabic (, , or , ) is a Central Semitic languages, Central Semitic language of the Afroasiatic languages, Afroasiatic language family spoken primarily in the Arab world. The International Organization for Standardization (ISO) assigns lang ...
: الحدود بين إريتريا والسودان) is 686 km (426 mi) in length and runs from
Eritrea Eritrea, officially the State of Eritrea, is a country in the Horn of Africa region of East Africa, with its capital and largest city being Asmara. It is bordered by Ethiopia in the Eritrea–Ethiopia border, south, Sudan in the west, and Dj ...
and
Sudan Sudan, officially the Republic of the Sudan, is a country in Northeast Africa. It borders the Central African Republic to the southwest, Chad to the west, Libya to the northwest, Egypt to the north, the Red Sea to the east, Eritrea and Ethiopi ...
's
tripoint A triple border, tripoint, trijunction, triple point, or tri-border area is a geography, geographical point at which the boundaries of three countries or Administrative division, subnational entities meet. There are 175 international tripoints ...
with
Ethiopia Ethiopia, officially the Federal Democratic Republic of Ethiopia, is a landlocked country located in the Horn of Africa region of East Africa. It shares borders with Eritrea to the north, Djibouti to the northeast, Somalia to the east, Ken ...
in the south, to the town of
Ras Kasar Ras Kasar is a cape in northeastern Africa, on the border between Eritrea and Sudan at the Red Sea The Red Sea is a sea inlet of the Indian Ocean, lying between Africa and Asia. Its connection to the ocean is in the south, through the B ...
in the very north of Eritrea. The border has been the site of several tensions, with
deportations Deportation is the expulsion of a person or group of people by a state from its sovereign territory. The actual definition changes depending on the place and context, and it also changes over time. A person who has been deported or is under sen ...
,
border conflict Borders are generally defined as geographical boundaries, imposed either by features such as oceans and terrain, or by political entities such as governments, sovereign states, federated states, and other subnational entities. Political borders c ...
s and
colonialism Colonialism is the control of another territory, natural resources and people by a foreign group. Colonizers control the political and tribal power of the colonised territory. While frequently an Imperialism, imperialist project, colonialism c ...
by the United Kingdom and
Italy Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...
. The border has also seen illegal acts such as human trafficking and hundreds of illegal crossings made by Eritreans. Due to the Tigray War, Sudan saw a surge of Eritrean and Ethiopian civilians cross its border with Eritrea and by 2023 there were nearly 130,000 refugees and civilians confirmed living in the country.


Description

The boundary starts in the north between the end of the Sudanese coast and the start of the Eritrean coast in the town of
Ras Kasar Ras Kasar is a cape in northeastern Africa, on the border between Eritrea and Sudan at the Red Sea The Red Sea is a sea inlet of the Indian Ocean, lying between Africa and Asia. Its connection to the ocean is in the south, through the B ...
, and proceeds overland in a very-deserted land in a southern direction, towards the town of Kerora where the city splits in half between both nations. The area then becomes primarily hilly, until becoming a mainly deserted terrain across the rest of the border. The largest town in the area is mainly
Teseney Teseney (, ), also spelled Tessenei or Tesseney, is a market town in western Eritrea. It lies south-east of Kassala in Sudan, on the Gash River. The city was much fought over in the Eritrean War of Independence during which much of it was destroy ...
, just a few miles away from the large city of Kassala. The border ends at a tripoint with a small city in Ethiopia called Himora. The border leaves the trifion between Eritrea, Ethiopia and Sudan, located on the course of the
Tekezé River The Tekezé River (; , originally meaning "river" in Ge’ez; , also spelled Takkaze; ), is a major river in Ethiopia. For part of its course it forms a section of the westernmost border of Ethiopia and Eritrea. The river is also known as the Seti ...
, near the Ethiopian town of Humera. It heads north for about 100 km before angling to the northeast. The land border ends at the shores of the Red Sea The maritime border between the two countries then continues through the
Red Sea The Red Sea is a sea inlet of the Indian Ocean, lying between Africa and Asia. Its connection to the ocean is in the south, through the Bab-el-Mandeb Strait and the Gulf of Aden. To its north lie the Sinai Peninsula, the Gulf of Aqaba, and th ...
for more than a hundred km, until it meets the maritime borders of
Saudi Arabia Saudi Arabia, officially the Kingdom of Saudi Arabia (KSA), is a country in West Asia. Located in the centre of the Middle East, it covers the bulk of the Arabian Peninsula and has a land area of about , making it the List of Asian countries ...
. Administratively, the border separates the Eritrean regions of Anseba, Gash-Barka, and Semenawi-Keyih-Bahri from the Sudanese states of
Kassala Kassala (, ) is the capital of the state of Kassala (state), Kassala in eastern Sudan. In 2003 its population was recorded to be 530,950. Built on the banks of the Mareb River, Gash River, it is a market city and is famous for its fruit gardens. ...
and Red Sea.


History

The border first emerged during the
Scramble for Africa The Scramble for Africa was the invasion, conquest, and colonialism, colonisation of most of Africa by seven Western European powers driven by the Second Industrial Revolution during the late 19th century and early 20th century in the era of ...
, a period of intense competition between European powers in the later 19th century for territory and influence in Africa. The process culminated in the
Berlin Conference The Berlin Conference of 1884–1885 was a meeting of colonial powers that concluded with the signing of the General Act of Berlin,
of 1884, in which the European nations concerned agreed upon their respective territorial claims and the rules of engagements going forward. As a result of this France gained control the upper valley of the
Niger River The Niger River ( ; ) is the main river of West Africa, extending about . Its drainage basin is in area. Its source is in the Guinea Highlands in south-eastern Guinea near the Sierra Leone border. It runs in a crescent shape through Mali, Nige ...
(roughly equivalent to the areas of modern
Mali Mali, officially the Republic of Mali, is a landlocked country in West Africa. It is the List of African countries by area, eighth-largest country in Africa, with an area of over . The country is bordered to the north by Algeria, to the east b ...
and Niger), and also the lands explored by
Pierre Savorgnan de Brazza Pierre Paul François Camille Savorgnan de Brazza (born Pietro Paolo Savorgnan di Brazzà; 26 January 1852 – 14 September 1905) was an Italian-French explorer. With his family's financial help, he explored the Ogooué region of Central Africa, ...
for France in Central Africa (roughly equivalent to modern
Gabon Gabon ( ; ), officially the Gabonese Republic (), is a country on the Atlantic coast of Central Africa, on the equator, bordered by Equatorial Guinea to the northwest, Cameroon to the north, the Republic of the Congo to the east and south, and ...
and
Congo-Brazzaville The Republic of the Congo, also known as Congo-Brazzaville, the Congo Republic or simply the Congo (the last ambiguously also referring to the neighbouring Democratic Republic of the Congo), is a country located on the western coast of Central ...
). From these bases the French explored further into the interior, eventually linking the two areas following expeditions in April 1900 which met at
Kousséri Kousséri (from ''quṣūr'' meaning "palaces"), founded and known as Mser in the indigenous Mser language, is a city in Far North Province, Cameroon. It is the capital of the Logone-et-Chari department. It is a market town, and its populatio ...
in the far north of modern
Cameroon Cameroon, officially the Republic of Cameroon, is a country in Central Africa. It shares boundaries with Nigeria to the west and north, Chad to the northeast, the Central African Republic to the east, and Equatorial Guinea, Gabon, and the R ...
. These newly conquered regions were initially ruled as military territories, with the two areas later organised into the federal colonies of
French West Africa French West Africa (, ) was a federation of eight French colonial empires#Second French colonial empire, French colonial territories in West Africa: Colonial Mauritania, Mauritania, French Senegal, Senegal, French Sudan (now Mali), French Guin ...
(''Afrique occidentale française'', abbreviated AOF) and
French Equatorial Africa French Equatorial Africa (, or AEF) was a federation of French colonial territories in Equatorial Africa which consisted of Gabon, French Congo, Ubangi-Shari, and Chad. It existed from 1910 to 1958 and its administration was based in Brazzav ...
(''Afrique équatoriale française'', AEF).


Italian occupation and war

The Italians colonised
Eritrea Eritrea, officially the State of Eritrea, is a country in the Horn of Africa region of East Africa, with its capital and largest city being Asmara. It is bordered by Ethiopia in the Eritrea–Ethiopia border, south, Sudan in the west, and Dj ...
in 1882 and ruled it until 1941. In 1936, Italy invaded Ethiopia and declared it part of their colonial empire, which they called
Italian East Africa Italian East Africa (, A.O.I.) was a short-lived colonial possession of Fascist Italy from 1936 to 1941 in the Horn of Africa. It was established following the Second Italo-Ethiopian War, which led to the military occupation of the Ethiopian ...
.
Italian Somaliland Italian Somaliland (; ; ) was a protectorate and later colony of the Kingdom of Italy in present-day Somalia, which was ruled in the 19th century by the Sultanate of Hobyo and the Majeerteen Sultanate in the north, and by the Hiraab Imamate and ...
and Eritrea were also part of that entity, ruled by a Governor-General or Viceroy.


Allied invasion of Eritrea from Sudan (1941)

Anglo-Egyptian Sudan Anglo-Egyptian Sudan ( ') was a condominium (international law), condominium of the United Kingdom and Kingdom of Egypt, Egypt between 1899 and 1956, corresponding mostly to the territory of present-day South Sudan and Sudan. Legally, sovereig ...
or British Sudan shared a border with the AOI and on 4 July 1940, was invaded by a Fascist Italian force of about from Eritrea, which advanced on a railway junction at
Kassala Kassala (, ) is the capital of the state of Kassala (state), Kassala in eastern Sudan. In 2003 its population was recorded to be 530,950. Built on the banks of the Mareb River, Gash River, it is a market city and is famous for its fruit gardens. ...
. The Italians forced the British garrison of of the SDF and some local police to retire after inflicting casualties of and for ten casualties of their own. Conquered by the
Allies An alliance is a relationship among people, groups, or states that have joined together for mutual benefit or to achieve some common purpose, whether or not an explicit agreement has been worked out among them. Members of an alliance are calle ...
in 1941, Italian East Africa was sub-divided. Ethiopia liberated its formerly Italian-occupied land in 1941. Italian Somaliland remained under Italian rule, but as a United Nations protectorate, not a colony, until 1960 when it united with British Somaliland, to form the independent state of
Somalia Somalia, officially the Federal Republic of Somalia, is the easternmost country in continental Africa. The country is located in the Horn of Africa and is bordered by Ethiopia to the west, Djibouti to the northwest, Kenya to the southwest, th ...
.Daniel Kendie, ''The Five Dimensions of the Eritrean Conflict 1941–2004: Deciphering the Geo-Political Puzzle''. United States of America: Signature Book Printing, Inc., 2005, pp.17–8. Eritrea was made a
British protectorate British protectorates were protectorates under the jurisdiction of the British government. Many territories which became British protectorates already had local rulers with whom the Crown negotiated through treaty, acknowledging their status wh ...
from the end of World War II until 1951. However, there was debate as to what should happen with Eritrea after the British left. The British delegation to the United Nations proposed that Eritrea be divided along religious lines with the Christians to Ethiopia and the Muslims to
Sudan Sudan, officially the Republic of the Sudan, is a country in Northeast Africa. It borders the Central African Republic to the southwest, Chad to the west, Libya to the northwest, Egypt to the north, the Red Sea to the east, Eritrea and Ethiopi ...
. In 1952, the United Nations decided to federate Eritrea to Ethiopia. About nine years later,
Ethiopian Emperor The emperor of Ethiopia (, "King of Kings"), also known as the Atse (, "emperor"), was the hereditary ruler of the Ethiopian Empire, from at least the 13th century until the abolition of the monarchy in 1975. The emperor was the head of state ...
Haile Selassie Haile Selassie I (born Tafari Makonnen or ''Ethiopian aristocratic and court titles#Lij, Lij'' Tafari; 23 July 189227 August 1975) was Emperor of Ethiopia from 1930 to 1974. He rose to power as the Ethiopian aristocratic and court titles, Rege ...
annexed Eritrea, triggering a thirty-year armed struggle in Eritrea. During the 1960s, the Eritrean independence struggle was led by the
Eritrean Liberation Front The Eritrean Liberation Front (ELF; ; ; ), colloquially known as Jebha, was the main Eritrean War of Independence, independence movement in Eritrea Province, Eritrea which sought Eritrea's independence from Ethiopia during the 1960s and the ear ...
(ELF). The independence struggle can properly be understood as the resistance to the annexation of Eritrea by Ethiopia long after the Italians left the territory. Additionally, one may consider the actions of the Ethiopian monarchy against Muslims in the Eritrean government as a contributing factor to the revolution.


Tensions and independence

A 30-year war of independence occurred in Eritrea between 1961 and 1991 and on 24 May 1991, the country declared de facto independence from
Ethiopia Ethiopia, officially the Federal Democratic Republic of Ethiopia, is a landlocked country located in the Horn of Africa region of East Africa. It shares borders with Eritrea to the north, Djibouti to the northeast, Somalia to the east, Ken ...
. This caused a time of tense relations between both nations. Between April and May 1993, the country launched a large referendum to declare de-jure independence and at the end ending with a 98.5% turnout within the population, this made Ethiopia landlocked and caused a long period of border conflicts for several decades. On 1 January 1956
Anglo-Egyptian Sudan Anglo-Egyptian Sudan ( ') was a condominium (international law), condominium of the United Kingdom and Kingdom of Egypt, Egypt between 1899 and 1956, corresponding mostly to the territory of present-day South Sudan and Sudan. Legally, sovereig ...
declared independence as the Republic of Sudan; Eritrea followed decades later on 24 May 1993 and the border then became an international frontier between two independent states. By the end of 1993, shortly after
Eritrea Eritrea, officially the State of Eritrea, is a country in the Horn of Africa region of East Africa, with its capital and largest city being Asmara. It is bordered by Ethiopia in the Eritrea–Ethiopia border, south, Sudan in the west, and Dj ...
's independence from
Ethiopia Ethiopia, officially the Federal Democratic Republic of Ethiopia, is a landlocked country located in the Horn of Africa region of East Africa. It shares borders with Eritrea to the north, Djibouti to the northeast, Somalia to the east, Ken ...
, Eritrea charged
Sudan Sudan, officially the Republic of the Sudan, is a country in Northeast Africa. It borders the Central African Republic to the southwest, Chad to the west, Libya to the northwest, Egypt to the north, the Red Sea to the east, Eritrea and Ethiopi ...
with supporting the activities of
Eritrean Islamic Jihad Eritrean Islamic Jihad, also known as the Eritrean Islamic Salvation Movement (known by its acronym as EISM or ERIJ), is an Eritrean Islamist organization and one of several opposition groups that operates in Eritrea and from surrounding countries ...
, which carried out attacks against the Eritrean government. Eritrea broke relations with Sudan at the end of 1994, became a strong supporter of the
Sudan People's Liberation Movement The Sudan People's Liberation Movement (SPLM; , ''Al-Ḥarakat ash-Shaʿbiyyat liTaḥrīr as-Sūdān'') is a political party in South Sudan. It was initially founded as the political wing of the Sudan People's Liberation Army (SPLA; a key belli ...
/
Sudan People's Liberation Army The South Sudan People's Defence Forces (SSPDF), formerly the Sudan People's Liberation Army (SPLA), is the military force of South Sudan. The SPLA was founded as a guerrilla movement against the government of Sudan in 1983 and was a key parti ...
(SPLA), and permitted the opposition
National Democratic Alliance The National Democratic Alliance (NDA; ISO 15919, ISO: ''Rāṣṭrīya Lokatāntrik Gaṭhabandhan'') is an Indian big tent Political group, multi-party political alliance, led by the country's biggest political party, the Bharatiya Janata Pa ...
to locate its headquarters in the former Sudan embassy in
Asmara Asmara ( ), or Asmera (), is the capital and most populous city of Eritrea, in the country's Central Region (Eritrea), Central Region. It sits at an elevation of , making it the List of capital cities by altitude, sixth highest capital in the wo ...
. At the urging of the United States, Ethiopia and Eritrea joined Uganda in the so-called Front Line States strategy, which was designed to put military pressure on the Sudanese government. Eritrea's surprise 1998 invasion of the Ethiopian-administered border village of
Badme Badme (, ) is a town in Gash-Barka region of Eritrea. Control of the town was at the centre of the Eritrean–Ethiopian border conflict, which lasted from the beginning of the Eritrean–Ethiopian War, in 1998, to the signing of a joint stateme ...
dramatically changed the political situation in the region. Operating on the axiom that the "enemy of my enemy is my friend," Sudan closed its border with Eritrea in 2002, and the Sudanese foreign minister charged in February 2003 that Eritrea had amassed forces along the border with Sudan. The Sudanese government also accused Eritrea of supporting rebel groups in Darfur. The undemarcated border with Sudan also posed a problem for Eritrean external relations. During the spring of 2000, when tensions remained high in the area Sudan reported over 100,000 Eritreans had crossed the border into the country, most in dire conditions.Sudan closed its border with Eritrea in January 2018, citing concerns over illegal crossings and human trafficking which were staggering at the time. Sudan reopened the border once again in 2019 after the country managed to have a successful coup d'état earlier in the year, An agreement between Isaias Afwerki and Mohammed Hamdan Dagalo was made. On 7 May 2023, The Guardian confirmed that the
Eritrean government The politics of Eritrea and the government of Eritrea take place in the framework of a single-party presidential republic currently under a totalitarian dictatorship. The President officially serves as both head of state and head of governme ...
had forcefully deported over 3,500 Eritreans and Sudanese-Eritreans from
Kassala Kassala (, ) is the capital of the state of Kassala (state), Kassala in eastern Sudan. In 2003 its population was recorded to be 530,950. Built on the banks of the Mareb River, Gash River, it is a market city and is famous for its fruit gardens. ...
during the large civil conflict in the country. Eritrea was reported to have used to border to send these civilians to Asmara and Teseney where over 100 of them were forcefully put in prison. Some of those detained were reported to be activists who had fled the
dictatorship A dictatorship is an autocratic form of government which is characterized by a leader, or a group of leaders, who hold governmental powers with few to no Limited government, limitations. Politics in a dictatorship are controlled by a dictator, ...
of
Isaias Afwerki Isaias Afwerki (, ; born 2 February 1946) is an Eritrean politician and leader who has been the List of heads of state of Eritrea, president of Eritrea since 1993 and the chairman of the People's Front for Democracy and Justice (PFDJ) since 1994 ...
.


Security


2018–2019 border clashes and border crossing crisis

On 6 January 2018, Sudan closed its border with Eritrea after a huge influx of refugees emerged in the country, followed by extreme protests and a state of emergency declared a week before the announcement. On the same day the governor of Kassala, Adam Jamaa announced that the state hadn't received anything of a border closure. The following day, on 7 January 2018. Kassala fully announced that the border had been officially closed stating:
Kassala governor, Adam Gemaa Adam, issued a decree ordering the closure of all border crossings with the state of Eritrea, based on the presidential decree … that declared the state of emergency in the state of Kassala.
On the same day, Egyptian-backed UAE forces were deployed to the Eritrean border along with Sudanese forces as well. Kassala also announced a full on "
state of emergency A state of emergency is a situation in which a government is empowered to put through policies that it would normally not be permitted to do, for the safety and protection of its citizens. A government can declare such a state before, during, o ...
" for the entire state. On 31 January 2019, Omar al-Bashir announced the reopening of the border in
Kassala Kassala (, ) is the capital of the state of Kassala (state), Kassala in eastern Sudan. In 2003 its population was recorded to be 530,950. Built on the banks of the Mareb River, Gash River, it is a market city and is famous for its fruit gardens. ...
after over a year of large clashes which had killed at least 30 people in the last few months.


2021 Sudan-Eritrea and Ethiopia border tensions

On 5 May 2021, Isaias Afwerki arrived at the
Khartoum International Airport Khartoum International Airport () is the principal airport in Khartoum, the capital of Sudan. The airport was shut down for nearly two years as it was stormed and occupied from 15 April 2023 to 25 March 2025 during the Battle of Khartoum. Hi ...
to discuss the large border dispute and Tigray tensions between both countries. The U.S. had ordered Eritrea to withdraw troops from the Tigray region fully due to the growing threat across the region. Eritrea had accused Sudan of siding with Ethiopia in the conflict, after Sudan had occupied a part of the province.


2020–22 Eritrean refugee influx

Between 2020 and 2022, Eritrea reported a massive refugee crisis due to its war in Tigray with Sudan and Ethiopia. With thousands of refugees living in Tigray Refugee Camps and spreading to the rest of Sudan and Ethiopia. The refugee crisis crew so much to the point where the
UNHCR The Office of the United Nations High Commissioner for Refugees (UNHCR) is a United Nations agency mandated to aid and Humanitarian protection, protect refugees, Internally displaced person, forcibly displaced communities, and Statelessness, s ...
was reporting thousands of refugees a day entering Eastern Sudan, with thousands of them being disabled people and children separated from their families. Most of the refugees were also reported to have moved into
Kassala Kassala (, ) is the capital of the state of Kassala (state), Kassala in eastern Sudan. In 2003 its population was recorded to be 530,950. Built on the banks of the Mareb River, Gash River, it is a market city and is famous for its fruit gardens. ...
and Gadaref states. The UNHCR also confirmed 5 border crossings and hundreds of refugee camps near the border. On 29 March 2020, the UN confirmed over 114,000 Eritrean refugees had either crossed the border or had gotten displaced within the nation or Ethiopia.


Notes


References


Sources

* *


Further reading

* Bascom, Johnathan B. 1990. Border Pastoralism in Eastern Sudan US: Taylor & Francis, Ltd. An article about the refugee influx and the war of independence between the border {{DEFAULTSORT:Eritrea-Sudan border Eritrea–Sudan border Borders of Eritrea Borders of Sudan International borders