St. Anna Church is a historic church located in Vienna, Austria. It was built in the early 18th century and is known for its beautiful Baroque architecture. The church features stunning frescoes and intricate altars, making it a significant landmark in the city. The church is dedicated to Saint Anne, the mother of the Virgin Mary. It serves as a place of worship and hosts various religious events throughout the year. Visitors often admire its serene atmosphere and artistic details, contributing to its reputation as a cultural and spiritual site in Vienna.