ABS-CBN is a major commercial television network in the Philippines. It is the oldest and the leading television network in the country with an advertising revenues of ₱19 billion for the fiscal year 2012. It is a unit of the media conglomerate ABS-CBN Corporation. It was launched on October 23, 1953 as Alto Broadcasting System and is among the first commercial television networks in Asia. Its headquarters is in Quezon City with regional offices and news bureaus in over 25 provincial areas throughout the country. The flagship television station of ABS-CBN in Metro Manila is DWWX-TV (VHF channel 2) while provincially, the network operates through its Regional Network Group of 25 originating stations, 38 relay stations and 8 affiliate television stations. Its programming is also available outside the Philippines as The Filipino Channel.