Bastøy Prison

Bastøy is an island in Horten Municipality in Vestfold county, Norway. The 2.23-square-kilometre (550-acre) island is owned by the government and it has no permanent residents, however, Bastøy Prison, a minimum-security prison, is located on the island, so there are always temporary residents on the island. The Bastøy Lighthouse was established on the island in 1840.

Bastøy Lighthouse (Norwegian: Bastøy fyr) is a coastal lighthouse in Horten Municipality in Vestfold county, Norway. It is located on the island of Bastøy in the Oslofjorden, about 4 kilometres (2.5 mi) southeast of the town of Horten. It was established in 1840 and originally consisted of a stone house with a low tower. It was replaced by an automated light in 1986.

German submarine U-1273 was a Type VIIC/41 U-boat of Nazi Germany's Kriegsmarine during World War II. She was ordered on 23 March 1942, and was laid down on 7 June 1943, at Bremer Vulkan-Vegesacker Werft, Bremen-Vegesack, as yard number 68. She was launched on 10 January 1944, and commissioned under the command of Oberleutnant zur See Karl-Heinz Voswinkel on 16 February 1944.

Tjøme Radio is a coast radio station in Horten, Norway. Operated by Telenor Maritim Radio, it has the responsibility for Skagerrak coast between Søgne and the Norway–Sweden border. It also covers the lake Mjøsa. Established in 1905 by the Royal Norwegian Navy, it became a civilian installation five years later. The station was located in Tjøme until 2008.

Horten Station (Norwegian: Horten stasjon) is a former railway station in Horten, Norway, which was the terminus of the Horten Line and in use between 1881 and 1967. The station was designed in Swiss chalet style by Balthazar Lange and was wedged between the town and the Oslofjord. It was located 106.51 kilometers (66.18 mi) from Oslo. When the Vestfold Line was being planned, some plans called for it to run via Horten. Instead, a more inland route was chosen and a 7.0-kilometer (4.3 mi) branch line was built to the town. Traffic peaked in the 1920s, when ca. 200,000 people traveled on the line, and the station saw a peak thirteen daily services during the 1940. The line past the station was converted to standard gauge in 1949 and electrified in 1957. By then the Norwegian State Railways (NSB) had started to run a bus service to Skoppum Station and gradually reduced service to Horten. From 1967 all passenger traffic was terminated. The station building has since burned down.

The Battle of Horten Harbour or the Action at Horten was an engagement that occurred on 9 April 1940. It took place during Operation Weserübung, when the Germans launched an amphibious assault on Karljohansvern, the Norwegian naval base at Horten. After being initially repulsed by Norwegian naval units, German troops headed overland to outflank the base, forcing it to capitulate.

Viken (Old Norse: Vík or Víkin), or Vika, was the historical name during the Viking Age and the High Middle Ages for an area of Scandinavia that originally surrounded the Oslofjord and included the coast of Bohuslän. Its definition changed over time, and from the Middle Ages, Viken included only Bohuslän.During the Viking Age, Viken was defined as the strait running between Norway and the southwest coast of Sweden and the Jutland peninsula of Denmark. It is located in what is now southeastern Norway and the southwestern Swedish province of Bohuslän. During the Viking Age, Viken was the northernmost Danish province. Control over Viken shifted between Danish and Norwegian kings in the Middle Ages, and Denmark continued to claim Viken until 1241. Viken was also controversially chosen as a neologistic name for the administrative region consisting of a merger of the counties of Akershus, Buskerud, and Østfold.

is a town in Horten Municipality in Vestfold county, Norway. The town is located along the Ytre Oslofjord about 16 kilometres (9.9 mi) north of the town of Tønsberg and about 12 kilometres (7.5 mi) to the southeast of the town of Holmestrand. The town of Moss lies about 12 kilometres (7.5 mi) to the east, across the fjord. The 8.63-square-kilometre (2,130-acre) town has a population (2023) of 20,859 and a population density of 2,418 inhabitants per square kilometre (6,260/sq mi).

Sentrum Church (Norwegian: Sentrumskirken) is a parish church of the Church of Norway in Horten Municipality in Vestfold county, Norway. It is located in the town of Horten. It is one of the churches for the Horten parish which is part of the Nord-Jarlsberg prosti (deanery) in the Diocese of Tunsberg. The red brick church was built in a long church design in 1972 using plans drawn up by the architect Elisabet Fidjestøl. The church seats up to 300 people.

Horten Church (Norwegian: Horten kirke) is a parish church of the Church of Norway in Horten Municipality in Vestfold county, Norway. It is located in the town of Horten. It is one of the churches for the Horten parish which is part of the Nord-Jarlsberg prosti (deanery) in the Diocese of Tunsberg. The red brick church was built in a long church design in 1855 using plans drawn up by the architect Christian Heinrich Grosch. The church seats about 750 people.

Preus Museum is the national museum for photography located in Horten, Norway. Preus Museum was founded in 1976 by Leif Preus and the members of the Preus family as a private museum. The collection was acquired by the Norwegian government in 1995. The museum's collection consists of photos and various other forms of images, together with cameras and related equipment which illustrate the history of photography. In 2001, the museum moved to the former naval facility at Karljohansvern in Vestfold county. The facilities have been adapted for museum use based on the work of architect Sverre Fehn.

The Royal Norwegian Navy Museum (Norwegian: Marinemuseet) is a museum documenting the history of the Royal Norwegian Navy. It is located at the former main naval base of Karljohansvern in Horten. The museum was founded by C.F. Klinck on 24 August 1853. The museum is sometimes regarded as the world's first naval museum, as it was the first collection of naval memorabilia open to the public.