The Bishop Basilica of Philippopolis (Bulgarian: Филипополска голяма базилика, Golyama bazilika na Filipopol) is a church from the late antique era in Plovdiv, built in the beginning of the 5th century AD. It is the largest early-Christian temple discovered in Bulgaria and one of the largest from that period on the Balkans. The basilica has three naves with an apse situated at the East end of the central nave. The southern and part of the central nave are revealed. The Great Basilica is one of the most interesting cultural heritage sites in Plovdiv.