St. Martin's Church was built into a small space (an early guardhouse) within the ancient Golden Gate of Diocletian's northern wall. One of the oldest churchs in the city, Today St. Martin's Church is one of Split's tourist attractions and known for its fine 11th centery chancel screen. It is currently in the care of the Dominican sisters, who have a monastery next door. The church itself is open to the public to visit.
Church central area divided into two parts altar screen, made of marble and covered in vines, grape vines and griffon; on the space with an altar that was intended for the clergy and boat that was intended for laymen. On the altar wall of the altar, the only preserved in situ in Dalmatia, there is an inscription with the dedication of the Virgin Mary, St. Gregory the Pope and Blessed Martin.
The pre-Romanesque stage, probably built in the 9th century, belongs to the barrel vault, an altar in the apse with a carved cross of early Christian denominations and a small trance, set in the middle of large, buried antique openings on the southern wall. The later pre-Romanesque stage of the 11th century belongs to the altarpiece and the bell tower, which was later destroyed.
References:The first written record of church in Danmark locality date back to the year 1291. Close to the church are several stones with a Christian text and cross inscribed. The oldest parts of the present red-brick church are from the 1300s. In the late 1400s the church was enlarged to the appearance it has today. The church has been modified both internally and externally several times, among other things after the fires in 1699 and 1889. There are lot of well-preserved mural paintings in the walls.