Bochum is the sixth largest city of the most populous German federal state of North Rhine-Westphalia after Cologne, Düsseldorf, Dortmund, Essen and Duisburg, and its 364,920 (2016) inhabitants make it the 16th largest city of Germany. On the Ruhr Heights (Ruhrhöhen) hill chain, between the rivers Ruhr to the south and Emscher to the north, it is the second largest city of Westphalia after Dortmund, and the fourth largest city of the Ruhr after Dortmund, Essen and Duisburg. It lies at the centre of the Ruhr, Germany's largest urban area, in the Rhine-Ruhr Metropolitan Region, and belongs to the region of Arnsberg. It is surrounded by the cities of Herne, Castrop-Rauxel, Dortmund, Witten, Hattingen, Essen and Gelsenkirchen. Bochum is the sixth largest and one of the southernmost cities in the Low German dialect area. There are nine institutions of higher education in the city, most notably the Ruhr University Bochum, one of the ten largest universities in Germany, and the Bochum University of Applied Sciences.
The Ennepe-Ruhr-Kreis is a district in the center of North Rhine-Westphalia, Germany. It is part of the southern Ruhr urban area and has ca. 324,000 inhabitants (2012). The district's seat is Schwelm; the largest of its nine towns is Witten.
The County of Mark was a county and state of the Holy Roman Empire in the Lower Rhenish–Westphalian Circle. It lay on both sides of the Ruhr river along the Volme and Lenne rivers.
Hattingen is a town in the northern part of the Ennepe-Ruhr-Kreis district, in North Rhine-Westphalia, Germany.
Wetter (Ruhr) is a town in western Germany, in the federal state of North Rhine-Westphalia and the district of Ennepe-Ruhr-Kreis. The river Ruhr flows through the urban area, separating the district of Alt-Wetter from the districts of Esborn, Volmarstein and Wengern. The cities of Dortmund and Bochum are within 20 minutes by road or rail.
The Bochum-Gelsenkirchener Straßenbahnen AG, abbreviated BOGESTRA, is a public transport operator in the Ruhr area, most notably in the cities of Bochum, Gelsenkirchen and Herne. As of 2012, the company operated, in whole or in part, 9 rail lines, and 65 bus lines. In 2012, BOGESTRA transported a total of 144.9 million passengers. The company is a member of the Verkehrsverbund Rhein-Ruhr (VRR) public transport association.
Sparrenberg Castle, also known as the Sparrenburg, is a restored fortress in the Bielefeld-Mitte district of Bielefeld, Germany. It is situated on the Sparrenberg hill in the Teutoburg Forest and towers 60 metres (200 ft) above the city centre. Its current appearance mainly originated in the 16th and 19th century. The Sparrenburg is considered to be Bielefeld's landmark.
Bladenhorst Castle is a moated castle in the suburbs of the city of Castrop-Rauxel.
Bochum Observatory, often known in Bochum as Cape Kaminski is a research institute in Bochum, Nordrhein-Westfalen, Germany. The institution came into being through a private initiative. Its main areas of interest are in radio astronomy and environmental research.
Engelbert II of the Mark was Count of the Mark and through marriage, Count of Arenberg.
The actual boundaries of the Ruhr vary slightly depending on the source, but a good working definition is to define the Lippe and Ruhr as its northern and southern boundaries respectively, the Rhine as its western boundary, and the town of Hamm as the eastern limit.
Altena Castle is a medieval hill castle in the town of Altena in North Rhine-Westphalia. Built on a spur of Klusenberg hill, the castle lies near the Lenne in the Märkischer Kreis.
Herdringen Castle is a castle in the Ortsteil Herdringen of the town of Arnsberg, Germany. It is the seat of the Fürstenberg-Herdringen family and the present building is one of the most notable secular Gothic revival buildings in Westphalia.
The University hospitals of the Ruhr University of Bochum, German Universitätsklinikum der Ruhr-Universität Bochum, abbreviated UK RUB is a syndicate of six university hospitals and associated facilities of the Ruhr University of Bochum. Founded in 2008 by the merger of formally independent hospitals the UK RUB is now a major provider of health in the Ruhr Metropolitan Region treating over 400,000 patients per year with a strong commitment to research and teaching.
Frankenstein Castle is a medieval fortification on a spur above the village of Frankenstein, Rhineland-Palatinate in the Palatinate Forest in Germany. Its name derives from the local House of Frankenstein.
Herten Castle is a moated castle situated in the town of Herten in the administrative district of Recklinghausen in the state of North Rhine Westphalia, Germany. It is located within an old English landscape garden and its first mentioning dates back to 1376. In 1962, the main castle building was declared a cultural heritage monument.
Gutenburg Castle, is the ruin of a hill castle above the village of Gutenberg in the county of Bad Kreuznach in the German state of Rhineland-Palatinate.
Grenzau Castle is a ruined spur castle at 250 m above sea level (NN) near Höhr-Grenzhausen in the county of Westerwaldkreis in the state of Rhineland-Palatinate. It is the only castle in Germany with a triangular bergfried.
The Imperial Castle of Kyffhausen is a medieval castle ruin, situated in the Kyffhäuser hills in the German state of Thuringia, close to its border with Saxony-Anhalt. Probably founded about 1000, it superseded the nearby imperial palace (Kaiserpfalz) of Tilleda under the rule of the Hohenstaufen emperors during the 12th and 13th centuries. Together with the Kyffhäuser Monument, erected on the castle grounds between 1890 and 1896, it is today a popular tourist destination.
Blankenheim Castle is a schloss above the village of Blankenheim in the Eifel mountains of Germany. It was built as a hill castle around 1115 by Gerhard I and became the family seat of the House of Blankenheim. The lords of Blankenheim were elevated to the countship in 1380. The counts were related to the counts of Manderscheid and, from 1469, were named Manderscheid-Blankenheim. With the extinction of the lines of Manderscheid-Gerolstein and Manderscheid-Kail (1742) the County of Manderscheid became the largest independent territorial lordship in the Eifel.
