The Maiden Tower is a 12th-century monument in the Old City, Baku, Azerbaijan. Along with the Shirvanshahs' Palace, dated to the 15th century, it forms a group of historic monuments listed in 2001 under the UNESCO World Heritage List of Historical Monuments as cultural property, Category III. It is one of Azerbaijan's most distinctive national emblems, and is thus featured on Azerbaijani currency notes and official letterheads.

Old City or Inner City is the historical core of Baku, the capital of Azerbaijan. The Old City is the most ancient part of Baku, which is surrounded by walls. In 2007, the Old City had a population of about 3,000 people. In December 2000, the Old City of Baku, including the Palace of the Shirvanshahs and Maiden Tower, became the first location in Azerbaijan to be classified as a UNESCO World Heritage Site.