The Eastern Berber languages belong to the Afro-Asiatic

Afro-Asiatic languages

The Afroasiatic languages , also known as Hamito-Semitic, constitute one of the world's largest language families, with about 375 living languages...

 family and are spoken in 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....

 and Egypt

Egypt

Egypt , officially the Arab Republic of Egypt, Arabic: , is a country mainly in North Africa, with the Sinai Peninsula forming a land bridge in Southwest Asia. Egypt is thus a transcontinental country, and a major power in Africa, the Mediterranean Basin, the Middle East and the Muslim world...

. They include Awjila, Sokna and Fezzan (El-Fogaha), Siwi

Siwi language

Siwi is a Berber language of Egypt, spoken by about 15,000 to 30,000 people in the oases of Siwa and Gara, near the Libyan border. The language has been heavily influenced by Egyptian Arabic, to a greater degree than most Berber languages...

, and Ghadamès

Ghadamès language

Ghadamès is a language spoken mainly by some Libyan Berbers. It is spoken in Ghadames, a small oasis town near the Libyan border with Algeria and Tunisia. It is spoken by 2,000 people in Libya, and 2,000 elsewhere. It has two dialects, Ayt Waziten and Elt Ulid....

. Kossmann (1999:29, 33) divides them into two groups:

• one consisting of Ghadamès
  Ghadamès language
  Ghadamès is a language spoken mainly by some Libyan Berbers. It is spoken in Ghadames, a small oasis town near the Libyan border with Algeria and Tunisia. It is spoken by 2,000 people in Libya, and 2,000 elsewhere. It has two dialects, Ayt Waziten and Elt Ulid....
  
   and Awjila. These two languages are the only Berber languages to preserve proto-Berber *β as β; elsewhere in Berber it becomes h or disappears.
• the other consisting of Nafusi
  Nafusi language
  Nafusi is the Berber language of the Nafusa Mountains , a large area in northwestern Libya. This variety of the Berber language is spoken by the Ibadite communities around Jadu, Nalut , and Yafran...
  
   (excluding Zuwara and southern Tunisia), Sokna (El-Foqaha), and Siwi
  Siwi language
  Siwi is a Berber language of Egypt, spoken by about 15,000 to 30,000 people in the oases of Siwa and Gara, near the Libyan border. The language has been heavily influenced by Egyptian Arabic, to a greater degree than most Berber languages...
  
  . This shares some innovations with Zenati
  Zenati languages
  The Zenati languages, named after the medieval Zenata tribe, are a subgroup of the Northern Berber language family, spoken in North Africa, proposed in Destaing They are distributed across the central Maghreb, from northeastern Morocco to just west of Algiers, and the northern Sahara, from...
  
  , and others (e.g. the change of *ă to ə and the loss of *β) with Northern Berber
  Northern Berber languages
  The Northern Berber languages form a dialect continuum across the Maghreb that constitute a branch of the Berber language subgroup of the Afroasiatic family...
  
   in general.

The Ethnologue

Ethnologue

Ethnologue: Languages of the World is a web and print publication of SIL International , a Christian linguistic service organization, which studies lesser-known languages, to provide the speakers with Bibles in their native language and support their efforts in language development.The Ethnologue...

 excludes Ghadamès

Ghadamès language

Ghadamès is a language spoken mainly by some Libyan Berbers. It is spoken in Ghadames, a small oasis town near the Libyan border with Algeria and Tunisia. It is spoken by 2,000 people in Libya, and 2,000 elsewhere. It has two dialects, Ayt Waziten and Elt Ulid....

 and Nafusi

Nafusi language

Nafusi is the Berber language of the Nafusa Mountains , a large area in northwestern Libya. This variety of the Berber language is spoken by the Ibadite communities around Jadu, Nalut , and Yafran...

 from Eastern Berber, and subgroups Sokna with Awjila in an "Awjila–Sokna group" rather than with Siwa.