Vienna is the capital city of Austria, located in the eastern part of the country. It is among the most historic of the world’s great cities and one of the most culturally rich. It is the country’s political, economic, and cultural centre. Since the Middle Ages, Vienna has been known for influencing other cities around the world. Its astounding medieval buildings and modern structures stand side by side to complement each other. Some of the places that make it famous include the Hofburg, Belvedere Palace, Vienna State Opera, St. Stephen's Cathedral, and the Wiener Riesenrad.

Census in Austria is conducted every 10 years and 2011 was the last time it was carried out. The next census is scheduled for 2021. According to the 2011 census, Vienna had a population of 1,731,000. Compared to other cities in Austria, Vienna is considered to be more diverse. According to the 2011 census, 49.2% of the population identified as Roman Catholic, 25.7% identified as having no religion, 7.8% were Muslim, 6.0% were Orthodox, 4.7% were Protestant, and the rest belonged to other religions. Vienna houses nearly a quarter of Austria's population and its residents speak a variety of languages including Hungarian, Serbian, Croatian, Turkish, and of course, German. The Spanish Riding School in Vienna has been offering classical horse training for over 450 years. Vienna’s Central Cemetery (Zentralfriedhof) has over 3.3 million graves, more than the city’s living population.

Vienna is divided into 23 districts (Bezirke), each with its own district director and council. The city council is responsible for the districts of Vienna and the mayor is also the governor of the state of Vienna. The city council is made up of 100 members and is elected every five years. The city council is responsible for important decisions concerning the city, such as budgeting, urban planning, and social services. The mayor is elected directly by the Viennese population for a term of five years.

Vienna has a strong and diverse economy with a gross domestic product (GDP) of about €94 billion, contributing to about a quarter of Austria's GDP. The city thrives on sectors such as real estate, scientific and technological services, and wholesale and retail trade. It is also a major hub for culture and tourism, attracting millions of visitors every year, thereby significantly contributing to its economy.

Vienna has a well-developed infrastructure, with extensive public transportation, including the Vienna U-Bahn, trams, and buses. The city’s transportation system is managed by the Vienna City Administration, with the Wiener Linien operating the public transport network. The city also has several cycling and walking paths, promoting sustainable means of transport. The city has also made substantial investments in digital infrastructure, with widespread access to high-speed broadband.