Arratia-Nerbioi is a comarca

Comarcas of Spain

In Spain traditionally and historically, some autonomous communities are also divided into comarcas .In other languages of Spain:*Catalan/Valencian , sing comarca.*Galician , sing. comarca....

 of the province of Biscay

Biscay

Biscay is a province of Spain and a historical territory of the Basque Country, heir of the ancient Lord of Biscay. Its capital city is Bilbao...

, in the Basque Country

Basque Country (autonomous community)

The Basque Country is an autonomous community of northern Spain. It includes the Basque provinces of Álava, Biscay and Gipuzkoa, also called Historical Territories....

, Spain

Spain

Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

. It is formed by the valleys of the Arratia river and the Nervión

Nervión

The river Nervión runs through the city of Bilbao, Spain into the Cantabrian Sea .It is also known as Estuary of Bilbao on its final tract, from the joining with Ibaizabal river to the sea.-Geography:...

 river. It is one of the seven comarcas that compose the province of Biscay.

Geography

Arratia-Nerbioi is located on the south of the province of Biscay

Biscay

Biscay is a province of Spain and a historical territory of the Basque Country, heir of the ancient Lord of Biscay. Its capital city is Bilbao...

. It limits with the comarcas of Greater Bilbao on the north and Durangaldea

Durangaldea

Durangaldea is a comarca of Biscay located in the Basque Country, Spain. It is one of the seven comarcas or regions that compose the province of Biscay. The capital city of Durangaldea is Durango.- Geography :...

 on the northeast. The Basque

Basque Country (autonomous community)

The Basque Country is an autonomous community of northern Spain. It includes the Basque provinces of Álava, Biscay and Gipuzkoa, also called Historical Territories....

 province of Álava

Álava

Álava is a province of Spain and a historical territory of the Basque Country, heir of the ancient Lord of Álava. Its capital city is Vitoria-Gasteiz which is also the capital of the autonomous community...

 is on the south. The comarca of Arratia-Nerbioi is formed by the valleys of the Arratia river and the Nervión

Nervión

The river Nervión runs through the city of Bilbao, Spain into the Cantabrian Sea .It is also known as Estuary of Bilbao on its final tract, from the joining with Ibaizabal river to the sea.-Geography:...

 river.

Municipalities

#	Municipality	Population	Territory km²
	Arakaldo Arakaldo Arakaldo is a town and municipality located in the province of Biscay, in the autonomous community of Basque Country, northern Spain.-External links:*...	112	2,65
	Arantzazu Arantzazu Arantzazu is a town and municipality located in the province of Biscay, in the Autonomous Community of Basque Country, northern Spain.-External links:*...	325	3,75
	Arrankudiaga Arrankudiaga Arrankudiaga is a town and municipality located in the province of Biscay, in the autonomous community of Basque Country, northern Spain.-External links:* *...	920	22,75
	Artea Artea Artea is a town and municipality located in the province of Biscay, in the autonomous community of Basque Country, northern Spain.-External links:*...	760	12,4
	Zeanuri Zeanuri Zeanuri is a town and municipality located in the province of Biscay, in the Autonomous Community of Basque Country, northern Spain.-External links:*...	1.302	66,98
	Zeberio Zeberio Zeberio isnt a municipality located in the province of Biscay, in the autonomous community of Basque Country, northern Spain.-External links:*...	1.060	47,15
	Dima	1,313	61,80
	Ugao-Miraballes Ugao-Miraballes Ugao-Miraballes is a town and municipality in the province of Biscay and autonomous community of the Basque Country in northern Spain.-External links:*...	4.050	4,54
	Orduña-Urduña	4.258	33,49
	Orozko Orozko Orozko is a town and municipality located in the province of Biscay, in the autonomous community of Basque Country in northern Spain.-External links:*...	2.405	102,42
	Ubide Ubide Ubide is a town and municipality located in the province of Biscay, in the Autonomous Community of Basque Country, northern Spain.-External links:*...	167	2,9
	Areatza Areatza Areatza is a town and municipality located in the province of Biscay, in the autonomous community of Basque Country, northern Spain.-External links:*...	1.142	9,1
	Igorre Igorre Igorre is a municipality located in the province of Biscay, in the autonomous community of Basque Country, northern Spain.-External links:*...	4.239	17