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|Broadcast area||Basque Country|
|Headquarters||Bilbao, Basque Country|
|Picture format||576i SDTV|
|Sister channels||ETB 1|
|Launched||10 October 2008|
|Digital||Álava: Channel 45|
Biscay: Channel 35
French Basque Country: Channel 33
Gipuzkoa: Channel 48
Region of Pamplona: 38
Region of Estella: 24
Region of Tudela: 39
Region of Olite: 31
Region of Sangüesa: 45
ETB 3 is the third television channel from the Euskal Irrati Telebista group in the Basque Autonomous Community, Navarre and the French Basque Country in Spain. The channel broadcasts entirely in Basque.
ETB3 was launched on October 10, 2008 as EiTB's third own channel, replacing Canal Vasco on Basque Country DTT. It was the second Spanish regional channel aimed at children after Super3 in Catalonia.
The channel was created with the aim of retaining a new audience to the EiTB channels, so its programming is aimed at children, so most of its programming is occupied by cartoons. The channel broadcasts in Basque language. Previously, the channel also broadcast some cultural and entertainment programs aimed at a teenage audience.