St. Cyriacus Church is a historic church located in Gernrode, Germany. It was built in the 10th century and is known for its Romanesque architectural style. The church is dedicated to Saint Cyriacus, a Christian martyr, and features beautiful frescoes and intricate stone carvings. The church is part of the UNESCO World Heritage Site known as the "Romanesque Monuments of Upper Germany." It serves as a significant example of early medieval church architecture and attracts visitors interested in history and art. The site is also a place of worship for the local community.