Copenhagen City Hall (Københavns Rådhus) is a municipal building located on the City Hall Square in the center of Copenhagen, Denmark. It was built in the early 20th century and is known for its distinctive architecture, which features a combination of historicist and modernist styles.

The building was designed by architect Martin Nyrop and construction began in 1892. It was completed in 1905 and opened to the public on September 12th of that year. The building is built in red brick and has a tower that rises to a height of 105.6 meters. The tower is open to the public and offers panoramic views of the city.

The exterior of the building is decorated with numerous sculptures and reliefs, many of which depict historical and mythological figures. The most famous of these is the dragon spire, which sits atop the tower and is a symbol of Copenhagen. Inside the building, visitors can see a number of ornate rooms and halls, including the City Council Chamber, which features a ceiling adorned with paintings by Joakim Skovgaard.