ABS-CBN Corporation is a Filipino media company based in Quezon City, Metro Manila, Philippines. It is the largest entertainment television and film production, program syndication provider, film distributor and media conglomerate in the Philippines. It is a subsidiary of Lopez Holdings Corporation, which is owned by the López family. ABS-CBN was formed by the merger of Alto Broadcasting System (ABS) and Chronicle Broadcasting Network (CBN). The conglomerate is metonymically called as "Ignacia" due to the location of its headquarters ABS-CBN Broadcasting Center along Mother Ignacia Street in Quezon City.