12 minutes from Dupnitsa. It is an immoveable cultural value, declared from the National Institute of Immovable Cultural Heritage (NIICH) as an immovable architectural and artistic monument of culture. It is located 1.5 km northwest of the center of Cherven Breg village. It is a single-nave vaulted church with choirs and partially preserved frescoes in two layers on the south and north walls, as well as in the apse. In a panel on the south wall, next to the entrance in a frame are placed the images of St. St Konstantin and Elena. After them, again in a frame are portrayed St. Nickola and archdeacon Stefan with incense burner and reliquary in hands. At the northeast corner are traces of the "Swallowing Arius" scene and a series of unreadable images. In the apse are presented, angels. On the east wall from north there is a prosthetic recess with an erased image. From the south Simeon Stylites is portrayed. For the base of the murals, a curtain is painted. The church is built on an older, early Christian basilica. Archaeological research of the early Christian basilica provides data on the architecture and spread of Christianity in the late antique and early Byzantine eras in the Dupnitsa field.