Samar and Leyte, two civil provinces in the Visayan group of the Philippines, which include the islands of Balicuatro, Batac, Biliran, Capul, Daram, Homonhon, Leyte, Manicani, Panaon, Samar and several smaller islands, make up the diocese of Calbayog, a suffragan of the Archdiocese of Manila.