Holy Trinity Church in Velemér was erected in the 13th century in the honour of the Holy Trinity has been mentioned in official documents since 1360. The rectangular aisleless church, to which a tower is attached on the north facade, is aligned east to west, as typical of medieval times. While carrying elements of Romanesque style (such as squatness and slitlike windows), it also has some Gothic elements (such as Gothic door, twin windows in the tower and rectangular apse). The walls of the church are built of both brick and stone.
The church is adorned by an arched cornice, with corbels carved with human faces, representing the various sins, supporting the roof. The frescoes in the church were painted by János Aquila of Radkesburg from 1377 to 1378.The church was used by the Calvinist church from the mid-17th century, and was re-Catholicised in 1733. It was abandoned in 1808 but restored several times, in 1968 and most recently in 2003.
References:The Church of St Donatus name refers to Donatus of Zadar, who began construction on this church in the 9th century and ended it on the northeastern part of the Roman forum. It is the largest Pre-Romanesque building in Croatia.
The beginning of the building of the church was placed to the second half of the 8th century, and it is supposed to have been completed in the 9th century. The Zadar bishop and diplomat Donat (8th and 9th centuries) is credited with the building of the church. He led the representations of the Dalmatian cities to Constantinople and Charles the Great, which is why this church bears slight resemblance to Charlemagne's court chapels, especially the one in Aachen, and also to the Basilica of San Vitale in Ravenna. It belongs to the Pre-Romanesque architectural period.
The circular church, formerly domed, is 27 m high and is characterised by simplicity and technical primitivism.