Errindlev Church dates from the second half of the 12th century. It has a Romanesque chancel and nave. The church is said to have been dedicated to St Nicholas because of its associations with seafarers who used it as a landmark. After the Reformation it belonged to the Crown until in 1699 it was transferred to Flemming Holck til Lungholm whose estate was acquired by Christian Detlev Reventlow. As a result, it later came under his estate Christianssæde. In 1784, it was removed from the authority of the estate together with Lungholm and became part of the barony established in 1819. The church gained its independence in 1924.
The church consists of a Romanesque nave and chancel with a Gothic extension and a tower built at the time of the Reformation. Gothic star-shaped vaulting was completed in the nave c. 1275. The Gothic porch on the south side was demolished in 1619 and a new half-timbered porch was built on the north side. Only about half of the Romanesque chancel and nave have remained. Traces of two round-arched windows can be seen in the chancel, one on either side while there is evidence of rounded Romanesque doors in the nave. Building of the tower started in 1530 but was discontinued before it was completed. After numerous difficulties in the supply of bricks, it was finally finished in 1607.References:
The eight towns in south-eastern Sicily, including Ragusa, were all rebuilt after 1693 on or beside towns existing at the time of the earthquake which took place in that year. They represent a considerable collective undertaking, successfully carried out at a high level of architectural and artistic achievement. Keeping within the late Baroque style of the day, they also depict distinctive innovations in town planning and urban building. Together with seven other cities in the Val di Noto, it is part of a UNESCO World Heritage Site.
In 1693 Ragusa was devastated by a huge earthquake, which killed some 5,000 inhabitants. Following this catastrophe the city was largely rebuilt, and many Baroque buildings from this time remain in the city. Most of the population moved to a new settlement in the former district of Patro, calling this new municipality 'Ragusa Superiore' (Upper Ragusa) and the ancient city 'Ragusa Inferiore' (Lower Ragusa). The two cities remained separated until 1926, when they were fused together to become a provincial capital in 1927.