Strasbourg is a prefecture and commune, and the largest city of the Grand Est region of northeastern France, in the historic region of Alsace. It is the prefecture of the Bas-Rhin department and the official seat of the European Parliament.
In 2023, the city had 294,229 inhabitants, while Greater Strasbourg had a population of 522,596. Strasbourg's metropolitan area had a population of 875,163 the same year, making it the eighth-largest metro area in France and home to 14% of the Grand Est region's inhabitants.
The transnational Strasbourg-Ortenau Eurodistrict had a population of roughly 1,020,000 in 2020. Strasbourg is one of the de facto three main capitals of the European Union (alongside Brussels, Luxembourg), as it is the seat of several European institutions, such as the European Parliament, the Eurocorps and the European Ombudsman of the European Union.