The Church of St. Zosim is a small church built in 1857 in Sozopol Park, on the ruins of a medieval church. The greatest treasure of the church is the painting by the great master Dimitar of Sozopol, along with many Icons that date back to the second half of the nineteenth century, and there is a marble tomb built into the front part of the temple, and it dates back to the fifth century BC, and it bears some distinctive inscriptions and decorations.