Question: The name of the ancient region Edonis was derived from the name of tribes inhabiting wich part of europe ?

Context paragraphs:
Phocis (ancient region): Phocis was an ancient region in the central part of Ancient Greece, which included Delphi.  A modern administrative unit, also called Phocis, is named after the ancient region, although the modern region is substantially larger than the ancient one.

Adansi: Adansi is the name of a distinct Ashanti language Twi-speaking tribe on the Ashantiland Peninsula, to the south of the Ashanti people.  The Adansi tribe is the smaller of the two tribes inhabiting the Ashanti Region.

Thracian treasure: The Thracians (Bulgarian: Траки , Ancient Greek: Θρᾷκες , Latin: "Thraci" ) were a group of Indo-European tribes inhabiting a large area in Central and Southeastern Europe, centred in modern Bulgaria.  They were bordered by the Scythians to the north, the Celts and the Illyrians to the west, the Greeks to the south, and the Black Sea to the east.

Tribes of Jharkhand: The tribes of Jharkhand consist of 32 tribes inhabiting the Jharkhand state in India.  The tribes in Jharkhand were originally classified on the basis of their cultural types by the Indian, Lalita Prasad Vidyarthi.  His classification was as follows:

Sudanese nomadic conflicts: Sudanese nomadic conflicts are non-state conflicts between rival nomadic tribes taking place in the territory of Sudan and, since 2011, South Sudan.  Conflict between nomadic tribes in Sudan is common, with fights breaking out over scarce resources, including grazing land, cattle and drinking water.  Some of the tribes involved in these clashes have been the Messiria, Maalia, Rizeigat and Bani Hussein Arabic tribes inhabiting Darfur and West Kordofan, and the Dinka, Nuer and Murle African ethnic groups inhabiting South Sudan.  Conflicts have been fueled by other major wars taking place in the same regions, in particular the Second Sudanese Civil War, the War in Darfur and the Sudanese conflict in South Kordofan and Blue Nile.

Edonis (region): Edonis or Edonida (Ancient Greek: Ἠδωνίς, Ἠδωνίδα ) also transliterated as Edonia, was an ancient region of Thrace which later became a district of Macedon.  Its name is derived from the ancient Thracian inhabitants of the region, the Edonians.  It was bordered by Odomantice in the north, Bisaltia in the west, Aegean Sea in the south, and was separated from Thrace proper by the river Nestos in the east.

Abasgoi: The Abasgoi (Georgian: აბაზგები ; Greek: Αβασγοί, Abasgoi; compare Abkhaz "Абазаа" [aˈbazaː] "the Abaza people") were one of the ancient tribes inhabiting western Abkhazia, who originally inhabited lands north of Apsilae, corresponding to today's Ochamchira District.  In the 6th and 7th centuries they migrated northwards and occupied territory between Gumista and Bzyb rivers, while another tribe, the Sanigs, lived to the north of them.

Glazkov culture: Glazkov culture is archaeological culture of ancient Tungus racially Mongoloid tribes in the Bronze Age (18th-13th centuries BCE), spread in the Baikal area.  The Glazkov Tunguses came to Siberia from the south, displacing Yukagir tribes.  Glazkovs is a conditional name for the group of the ancient Tungus tribes inhabiting in the 2nd millennium BCE (Glazkov time) the headwaters of Angara river.  Glazkov culture is named after a suburb of the city Irkutsk, where it was first found.

Thracians: The Thracians ( ; Ancient Greek: Θρᾷκες "Thrāikes", Latin: "Thraci" ) were a group of Indo-European tribes inhabiting a large area in Eastern and Southeastern Europe.  They spoke the Thracian language – a scarcely attested branch of the Indo-European language family.  The study of Thracians and Thracian culture is known as Thracology.

Sanapaná: The Sanapana are one of many nomadic tribes inhabiting the lower Gran Chaco of western Paraguay.  With the introduction of Mennonite settlements in the central Chaco in the 1930s, many nomadic tribes semi-settled near the Mennonites.  The Mennonites established Missions to many of these tribes, often grouping linguistically similar tribes nearby.  The Sanapana and Lengua were settled on La Esperanza mission, southeast of Filadelfia, just off the Pan-American Highway.  The Lengua, in their tongue, refer to themselves as "Enhlit," which means "the people."  The Sanapana refer to themselves as "Nenhlet," which also means "the people."  A standard conversation among the Sanapana-Lengua often includes words from their language, mixed with Spanish and Guaraní, the national languages of Paraguay, and some Low German, the primary language of the Mennonites.

Supporting paragraphs: Edonis (region) Thracians
Answer: Eastern and Southeastern Europe