Budapest is the media centre of Hungary, and the location of the main headquarters of Hungarian Television and other local and national TV and radio stations, such as M1, M2, Duna TV, Duna World, RTL Klub, TV2 (Hungary), EuroNews, Comedy Central, MTV Hungary, VIVA Hungary, Viasat 3, Cool TV, and Pro4, and politics and news channels such as Hír TV, ATV, and Echo TV. Documentary channels include Discovery Channel, Discovery Science, Discovery World, National Geographic Channel, Nat Geo Wild, Spektrum, and BBC Entertainment. This is less than a quarter of the channels broadcast from Budapest; for the whole picture see Television in Hungary.