Freiburg im Breisgau is a major city in a secluded wine-rich corner of Baden-Württemberg in southwest Germany, on the edge of the Black Forest (Schwarzwald). Picturesquely located on the river Dreisam, in between green mountainsides, it enjoys one of the sunniest and warmest climates among German cities. Freiburg is a laid-back, beautiful university city of 230,000 people (2019).