The Basilica of St. Lawrence was a cathedral church and is now a minor basilica. It belongs to Enns-Lorch deanery in the Diocese of Linz. The church is a listed building.
The basilica rises above the remains of their Roman predecessors, which were discovered during archaeological excavations between 1960 and 1966. The oldest building - a Roman noble house - dating from the 2nd century AD. It was also built an early Christian church. There were several renovations and expansions until 1300, the existing church was built in Gothic style. At the end of archaeological research, the church was renovated and was one of the first churches in the country, whose design was affected by the spirit of the Second Vatican Council (1962–1965).
References:Visby Cathedral (also known as St. Mary’s Church) is the only survived medieval church in Visby. It was originally built for German merchants and inaugurated in 1225. Around the year 1350 the church was enlarged and converted into a basilica. The two-storey magazine was also added then above the nave as a warehouse for merchants.
Following the Reformation, the church was transformed into a parish church for the town of Visby. All other churches were abandoned. Shortly after the Reformation, in 1572, Gotland was made into its own Diocese, and the church designated its cathedral.
There is not much left of the original interior. The font is made of local red marble in the 13th century. The pulpit was made in Lübeck in 1684. There are 400 graves under the church floor.