Høruphav

Augustenborg Municipality - Until 1 January 2007 Augustenborg was a municipality (Danish, kommune) in South Jutland County on the island of Als off the east coast of the Jutland Peninsula in south Denmark. The municipality covered an area of 53 km2, and had a total population of 6,577 (2005). Its latest mayor was Åse Nygaard. The site of its municipal council was the town of Augustenborg. Augustenborg Municipality ceased to exist due to Kommunalreformen ("The Municipality Reform" of 2007). It was combined with former Broager Municipality, Gråsten Municipality, Nordborg Municipality, Sundeved Municipality, Sydals Municipality, and Sønderborg Municipality to form the new Sønderborg Municipality. This created a municipality with an area of 499 km2 and a total population of 49,886 (2005).

Augustenborg (German: Augustenburg) is a town on Als Island in Sønderborg Municipality, Region of Southern Denmark in Denmark. The town lies at the head of Als Fjord. To the east is the Little Belt. Ferry service connects Augustenborg to the island of Funen from the nearby town of Fynshav. Augustenborg has a population of 3,160 (1 January 2023). It was the main town of Augustenborg Municipality until its merger into Sønderborg Municipality in 2007.

Augustenborg Palace (or Augustenborg Castle; Danish: Augustenborg Slot, German: Schloss Augustenburg) is a Rococo-style palace in the southwestern part of Augustenborg, Als Island, Denmark, overlooking Augustenborg Fjord. The palace owes its name to Duchess Auguste (1633–1701). Augustenborg gave its name to the House of Schleswig-Holstein-Sonderburg-Augustenburg, the last member of which was Duke Christian August II (1798–1869).

Kegnæs (German: Kekenis) is a peninsula on the southern coast of Als in Denmark.

The Battle of Als (Danish: Slaget om Als; German: Übergang nach Alsen) was fought on 29 June 1864 during the Second Schleswig War between Denmark and Prussia. It was the last major engagement of the war, as the Prussians under General Herwarth von Bittenfeld secured the island of Als – occupied by 9,000 Danish troops, including the garrison of Dybbøl which had retreated there – in a night attack masterminded by the Chief of Staff (later Field Marshal) Leonhard Graf von Blumenthal.

Als (Danish pronunciation: [ˈælˀs], German: Alsen) is a Danish island in the Baltic Sea.

Guderup is a town located on the island of Als in south Denmark, in Sønderborg Municipality.

Sønderborg (Danish pronunciation: [ˈsønɐˌpɒˀ]; German: Sonderburg [ˈzɔndɐbʊʁk] ) is a Danish town in the Region of Southern Denmark. It is the main town and the administrative seat of Sønderborg Municipality (Kommune). The town has a population of 28,137 (1 January 2023), in a municipality of 74,380. In recent times, Sønderborg is a center for trade, tourism, industry, and education in the region of Southern Denmark. The town is the headquarters for several industrial companies. Sønderburg joined the UNESCO Global Network of Learning Cities in 2016.

Sønderborg Castle (Danish: Sønderborg Slot) is located in the town of Sønderborg, Denmark on the island of Als in South Jutland. It houses a museum focusing on the history and culture of the area. The castle is located in the middle of the town, in a park setting overlooking Als Fjord. The museum is open year-round.

Sønderborg Municipality (Danish: Sønderborg Kommune, German: Kommune Sonderburg), is a kommune in the Region of Southern Denmark partially on the Jutland peninsula and partially on the island of Als in south Denmark, at the border with Germany. The municipality covers an area of 495.86 km2 (191.45 sq mi), and has a population of 74,380 (as of 2023). Its mayor as of 1 January 2014 is Erik Lauritzen, a member of the Social Democratic party.

German submarine U-37 was a Type IXA U-boat of the German Navy (Kriegsmarine) during World War II. The submarine was laid down on 15 March 1937 at the DeSchiMAG AG Weser yard in Bremen, launched on 14 May 1938, and commissioned on 4 August 1938 under the command of Kapitänleutnant Heinrich Schuch as part of the 6th U-boat Flotilla.Between August 1939 and March 1941, U-37 conducted eleven combat patrols, sinking 53 merchant ships, for a total of 200,063 gross register tons (GRT); and two warships, the British Hastings-class sloop HMS Penzance, and the French submarine Sfax (Q182). U-37 was then withdrawn from front-line service and assigned to training units until the end of the war. On 8 May 1945 the U-boat was scuttled in Sonderburg Bay, off Flensburg. U-37 was the sixth most successful U-boat in World War II.

German submarine U-2521 was a Type XXI U-boat (one of the "Elektroboote") of Nazi Germany's Kriegsmarine, built for service in World War II. She was ordered on 6 November 1943, and was laid down on 31 August 1944 at the Blohm & Voss yard at Hamburg, as yard number 2521. She was launched on 18 October 1944, and commissioned under the command of Oberleutnant zur See Joachim Methner on 21 November 1944.