The Greek Catholic Eparchy of Ruski Krstur (Serbian: Крстурска гркокатоличка епархија) is an eparchy (diocese) of the Catholic Church for Eastern Catholics of the Byzantine Rite in Serbia. It was founded in 2003 as the "Apostolic Exarchate of Serbia and Montenegro" and reduced to the territory of Serbia in 2013. In 2018, it was elevated to an eparchy by Pope Francis.[1] Since 2003, it is headed by bishop Đura Džudžar.[2]