Sigmaringen (district) in the context of Reutlingen (district)

Ravensburg is a Landkreis (district) in the southeast of Baden-Württemberg, Germany. Neighboring districts are (from southwest clockwise) Bodensee, Sigmaringen and Biberach, the Bavarian urban district Memmingen and the districts Unterallgäu, Oberallgäu and Lindau.

Tuttlingen is a Landkreis (district) in the south of Baden-Württemberg, Germany. Neighboring districts are (from north clockwise) Rottweil, Zollernalbkreis, Sigmaringen, Constance and Schwarzwald-Baar.

Konstanz (or Constance) is a Landkreis (district) in the south of Baden-Württemberg on the German-Swiss border, situated along the shores of Lake Constance. Neighboring districts are (from west clockwise) Schwarzwald-Baar, Tuttlingen, Sigmaringen and Bodenseekreis. To the south it borders the Swiss cantons of Zurich, Thurgau and Schaffhausen. The municipality of Büsingen am Hochrhein is an exclave of Germany surrounded by Swiss territory.

Sigmaringen (German pronunciation: [ˈziːkmaʁɪŋən] ; Swabian: Semmerenga) is a town in southern Germany, in the state of Baden-Württemberg. Situated on the upper Danube, it is the capital of the Sigmaringen district.

Sigmaringen is renowned for its castle, Schloss Sigmaringen, which was the seat of the principality of Hohenzollern-Sigmaringen until 1850 and is still owned by the Hohenzollern family.

Bodenseekreis ("Lake Constance district") is a Landkreis (district) in the south-east of Baden-Württemberg, Germany. Neighboring districts are (from west, clockwise) Konstanz, Sigmaringen and Ravensburg, and in Bavaria, Lindau district. To the south, on the opposite shores of Lake Constance, lies Switzerland.

Biberach (German pronunciation: [ˈbiːbəʁax] ) is a Landkreis (district) in Baden-Württemberg, Germany. It is bounded by (from the south and clockwise) the districts of Ravensburg, Sigmaringen, Reutlingen and Alb-Donau, and the Bavarian districts Neu-Ulm, Unterallgäu and the district-free city Memmingen. The major towns in the district of Biberach are Biberach an der Riß, Riedlingen, Ochsenhausen and Laupheim.