Freiburg im Breisgau is a city in Baden-Württemberg, Germany, with a population of about 220,000. In the south-west of the country, it straddles the Dreisam river, at the foot of the Schlossberg. Historically, the city has acted as the hub of the Breisgau region on the western edge of the Black Forest in the Upper Rhine Plain. A famous old German university town, and archiepiscopal seat, Freiburg was incorporated in the early twelfth century and developed into a major commercial, intellectual, and ecclesiastical center of the upper Rhine region. The city is known for its medieval minster and Renaissance university, as well as for its high standard of living and advanced environmental practices. The city is situated in the heart of the major Baden wine-growing region and serves as the primary tourist entry point to the scenic beauty of the Black Forest. According to meteorological statistics, the city is the sunniest and warmest in Germany, and held the all-time German temperature record of 40.2 °C (104.4 °F) from 2003 to 2015.