Muhacir is a term of Arabic

Arabic language

Arabic is a name applied to the descendants of the Classical Arabic language of the 6th century AD, used most prominently in the Quran, the Islamic Holy Book...

 origin (مهاجر, Muhajir or Mohajir) in Turkish language

Turkish language

Turkish is a language spoken as a native language by over 83 million people worldwide, making it the most commonly spoken of the Turkic languages. Its speakers are located predominantly in Turkey and Northern Cyprus with smaller groups in Iraq, Greece, Bulgaria, the Republic of Macedonia, Kosovo,...

, used across ethnicities, and that corresponds to people whose ancestors migrated from formerly Muslim

Muslim

A Muslim, also spelled Moslem, is an adherent of Islam, a monotheistic, Abrahamic religion based on the Quran, which Muslims consider the verbatim word of God as revealed to prophet Muhammad. "Muslim" is the Arabic term for "submitter" .Muslims believe that God is one and incomparable...

 territories (Dar al-Islam

Dar al-Islam

The idea of geographical divisions along religious lines i.e. the dur is neither mentioned in the Qur'an nor in the sayings of the Prophet , which are considered the primary sources in Islamic jurisprudence...

 in Islam

Islam

Islam . The most common are and .   : Arabic pronunciation varies regionally. The first vowel ranges from ~~. The second vowel ranges from ~~~...

ic terminology), considered lost to the non-Muslims (Dar al-harb): the Balkans

Balkans

The Balkans is a geopolitical and cultural region of southeastern Europe...

 (Turks

Turkish people

Turkish people, also known as the "Turks" , are an ethnic group primarily living in Turkey and in the former lands of the Ottoman Empire where Turkish minorities had been established in Bulgaria, Cyprus, Bosnia and Herzegovina, Georgia, Greece, Kosovo, Macedonia, and Romania...

, Pomaks

Pomaks

Pomaks is a term used for a Slavic Muslim population native to some parts of Bulgaria, Turkey, Greece, the Republic of Macedonia, Albania and Kosovo. The Pomaks speak Bulgarian as their native language, also referred to in Greece and Turkey as Pomak language, and some are fluent in Turkish,...

, Albanians

Albanians

Albanians are a nation and ethnic group native to Albania and neighbouring countries. They speak the Albanian language. More than half of all Albanians live in Albania and Kosovo...

, Bosniaks

Bosniaks

The Bosniaks or Bosniacs are a South Slavic ethnic group, living mainly in Bosnia and Herzegovina, with a smaller minority also present in other lands of the Balkan Peninsula especially in Serbia, Montenegro and Croatia...

), Caucasus

Caucasus

The Caucasus, also Caucas or Caucasia , is a geopolitical region at the border of Europe and Asia, and situated between the Black and the Caspian sea...

 (Abkhazians

Abkhaz people

The Abkhaz or Abkhazians are a Caucasian ethnic group, mainly living in Abkhazia, a disputed region on the Black Sea coast. A large Abkhazian diaspora population resides in Turkey, the origins of which lie in the emigration from the Caucasus in the late 19th century known as Muhajirism...

, Ajarians

Ajarians

The Adjarians are an ethnographic group of Georgians that mostly live in Adjara in south-western...

, 'Circassians', Lazs, Chveneburi

Chveneburi

Chveneburi , meaning "of us" in Georgian, is an autonym of Muslim immigrants of Georgian descent who had settled in non-Georgian majority regions of Turkey, thus, "of us" signifies a triple distinction from Christian Georgians, Muslim Turks, and autochthonous Muslim Georgians...

s, Chechens

Chechen people

Chechens constitute the largest native ethnic group originating in the North Caucasus region. They refer to themselves as Noxçi . Also known as Sadiks , Gargareans, Malkhs...

), Crimea

Crimea

Crimea , or the Autonomous Republic of Crimea , is a sub-national unit, an autonomous republic, of Ukraine. It is located on the northern coast of the Black Sea, occupying a peninsula of the same name...

 (Tatars

Crimean Tatar diaspora

The Crimean Tatar diaspora dates back to the annexation of Crimea by Russia in 1783, after which Crimean Tatars were forced to emigrate in a series of waves spanning the period from 1783 to 1917...

), Crete

Crete

Crete is the largest and most populous of the Greek islands, the fifth largest island in the Mediterranean Sea, and one of the thirteen administrative regions of Greece. It forms a significant part of the economy and cultural heritage of Greece while retaining its own local cultural traits...

 (Cretan Turks

Cretan Turks

The Cretan Turks, Turco-Cretans , or Cretan Muslims were the Muslim inhabitants of Crete and now their descendants, who settled principally in Turkey, the Levant, and Egypt as well as in the larger Turkish diaspora.After the Ottoman conquest of Crete...

) or Africa (Sudan

Sudan

Sudan , officially the Republic of the Sudan , is a country in North Africa, sometimes considered part of the Middle East politically. It is bordered by Egypt to the north, the Red Sea to the northeast, Eritrea and Ethiopia to the east, South Sudan to the south, the Central African Republic to the...

ese Mahdists

Muhammad Ahmad

Muhammad Ahmad bin Abd Allah was a religious leader of the Samaniyya order in Sudan who, on June 29, 1881, proclaimed himself as the Mahdi or messianic redeemer of the Islamic faith...

, Algeria

Algeria

Algeria , officially the People's Democratic Republic of Algeria , also formally referred to as the Democratic and Popular Republic of Algeria, is a country in the Maghreb region of Northwest Africa with Algiers as its capital.In terms of land area, it is the largest country in Africa and the Arab...

n partisans of Emir Abdelkader, Senussi

Senussi

The Senussi or Sanussi refers to a Muslim political-religious order in Libya and the Sudan region founded in Mecca in 1837 by the Grand Senussi, Sayyid Muhammad ibn Ali as-Senussi. Senussi was concerned with both the decline of Islamic thought and spirituality and the weakening of Muslim political...

 insurgents from Libya

Libya

Libya is an African country in the Maghreb region of North Africa bordered by the Mediterranean Sea to the north, Egypt to the east, Sudan to the southeast, Chad and Niger to the south, and Algeria and Tunisia to the west....

).

After the end of Ottoman

Ottoman Empire

The Ottoman EmpireIt was usually referred to as the "Ottoman Empire", the "Turkish Empire", the "Ottoman Caliphate" or more commonly "Turkey" by its contemporaries...

 rule (especially after 1878 and 1912), a large portion of the Muslim

Muslim

A Muslim, also spelled Moslem, is an adherent of Islam, a monotheistic, Abrahamic religion based on the Quran, which Muslims consider the verbatim word of God as revealed to prophet Muhammad. "Muslim" is the Arabic term for "submitter" .Muslims believe that God is one and incomparable...

 populations of these geographies took refuge in Turkey

Turkey

Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

.