Copenhagen is the capital city of Denmark, located on the eastern coast of Zealand. It’s one of the oldest cities in Europe and showcases a mix of old-world charm and modern design. As Denmark’s economic and cultural center, it has a strong influence on business, science, and art within the country and beyond. Since the Middle Ages, Copenhagen has been a beacon for trade and travelers. It is famous for its historical sites such as the Tivoli Gardens, Christiansborg Palace, and the colorful Nyhavn harbor, as well as its modern landmarks like the Opera House and the Black Diamond Library.

Census in Denmark is done annually, with 2020 being the most recent. According to this census, Copenhagen had a population of 1,346,734. The city is known for its diversity, with a significant number of residents hailing from outside Denmark. According to the 2020 data, approximately 20% of Copenhagen's residents were of foreign descent. On the religious front, the majority of Copenhagen's population belongs to the Church of Denmark, with Islam as the second largest religion. Other religions practiced in the city include Buddhism, Judaism, and Hinduism. Copenhagen is also a city of languages, with residents speaking Danish, English, and a variety of other languages such as German, Swedish, and Arabic. The city is also known for its focus on sustainability and was awarded the European Green Capital title in 2014. The famous Little Mermaid statue, a symbol of Copenhagen, is visited by over a million tourists each year.

Copenhagen is governed under the framework of Denmark's municipal system. The city administration is led by the Lord Mayor and four mayoral posts, which are elected every four years. The administration covers areas such as social services, schools, and infrastructural issues. The Lord Mayor leads the Copenhagen Municipality Council, which comprises 55 members representing various political parties. The council meets twice a month and the meetings are open to the public. The council's main role is to manage the city's budget and ensure the provision of public services.

Copenhagen is the economic hub of Denmark, with a diverse economy that thrives on services, information technology, pharmaceuticals, and clean technology. The city's GDP is over DKK 400 billion, making up a significant portion of Denmark's GDP. Copenhagen's harbor is one of the largest in Northern Europe, handling millions of tons of cargo each year. The city is also home to several multinational corporations and is characterized by a high labor market activity rate.

Copenhagen's infrastructure is renowned for its emphasis on sustainability and livability. The city has an extensive public transportation system that includes buses, trains, and the Metro. Cyclist-friendly policies have led to the development of extensive biking lanes, making Copenhagen one of the most bike-friendly cities in the world. The city's infrastructure planning is focused on green solutions, which is evident in the city's commitment to become carbon-neutral by 2025.