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The Weierstrass Institute for Applied Analysis and Stochastics (WIAS), is a part of the Forschungsverbund Berlin e.V. and a member of the Leibniz Association. Based in Berlin’s district Mitte, the institute's research activities involve applied and pure mathematics. Since February 2011, the International Mathematical Union (IMU) Secretariat has been located in Berlin at WIAS.

The Paul-Drude-Institut für Festkörperelektronik German for Paul Drude Institute for Solid State Electronics (PDI) is a research institution under the auspices of the Forschungsverbund Berlin and is a member of the Leibniz Association. The institute is located at Hausvogteiplatz in Berlin-Mitte, its research activities are in basic research in the fields of physics and engineering and the areas of materials science and electronics/optoelectronics.

Hausvogteiplatz is a Berlin U-Bahn station on line U2, located in Mitte. The eponymous square, former site of a bastion of the historic city fortification, was named after the Prussian aulic court and prison. In the late 19th century it had developed as a centre of Berlin's clothing industry. The station, designed by Alfred Grenander, opened on 1 October 1908 with Berlin's second U-Bahn line, running from Potsdamer Platz on the initial Stammstrecke route to Spittelmarkt. During an air raid on 3 February 1945 it was devastated by a direct bomb hit and could not be reopened until 1950.

Hong Kong Economic and Trade Office, Berlin (HKETO Berlin) commenced operation in Berlin, Germany in March 2009. It is responsible for promoting Hong Kong's economic and trade relations with eight Central European countries, namely Austria, the Czech Republic, Germany, Hungary, Poland, Slovakia, Slovenia and Switzerland. It is located in Jägerstrasse 33, 10117 Berlin, Germany. The Director of the Office is Betty SP Ho, who reports to the Special Representative for HK Econ & Trade Affairs to the European Union, Brussels ETO.In recognition of the special status of Hong Kong as a Special Administrative Region of the People's Republic of China, and HKETO Berlin, an ordinance was passed in February 2009 by the Bundesrat of the Federal Republic of Germany. The ordinance grants HKETO Berlin the full set of diplomatic privileges and immunities, despite the fact Hong Kong is not a sovereign state. Before it commenced its operations in Berlin, HKETO Berlin had its temporary office in the office of HKETO Brussels, Belgium. The official opening of HKETO, Berlin was held on 21 March 2011.

The Embassy of Ireland in Berlin (German: Botschaft von Irland) is the diplomatic mission of Ireland to Germany. It is located at 51 Jägerstraße since 2009.The current Ambassador to Germany is Dr. Nicholas O’Brien who has served in this role since August 2019. He previously served as the Deputy Ambassador to the Federal Republic of Germany.

The Berlin-Brandenburg Academy of Sciences and Humanities (German: Berlin-Brandenburgische Akademie der Wissenschaften), abbreviated BBAW, is the official academic society for the natural sciences and humanities for the German states of Berlin and Brandenburg. Housed in three locations in and around Berlin, Germany, the BBAW is the largest non-university humanities research institute in the region.The BBAW was constituted in 1992 by formal treaty between the governments of Berlin and Brandenburg on the basis of several older academies, including the historic Prussian Academy of Sciences from 1700 and East Germany's Academy of Sciences of the German Democratic Republic from 1946. By this tradition, past members include the Brothers Grimm, Wilhelm and Alexander von Humboldt, Lise Meitner, Theodor Mommsen, Albert Einstein, and Max Planck. Today the BBAW operates as a public law corporation under the auspices of the German National Academy of Sciences, and has over 300 fellows and 250 additional staff members. Its elected scientific membership has included 78 Nobel laureates.The BBAW operates several subsidiary research centers. Projects include compiling large dictionaries; editing texts from ancient, medieval, and modern history; and editing the classical literature from diverse fields. Notable examples include Inscriptiones Graecae, the Corpus Inscriptionum Latinarum, the German Dictionary (German: Deutsches Wörterbuch), the Ancient Egyptian Dictionary (Altägyptisches Wörterbuch), the bibliography of works by Alexander von Humboldt, and a scholarly edition of the works of Ludwig Feuerbach.

The Union of German Academies of Sciences and Humanities (German: Union der deutschen Akademien der Wissenschaften or in short: Akademienunion) is an umbrella organization for eight German academies of sciences and humanities. The Union brings together over 2,000 scientists from various disciplines, facilitating scientific exchange and collaboration among its member academies. It coordinates large-scale research projects and supports early-career researchers.

The Mendelssohn Palace (German: Mendelssohn-Palais) is a Neoclassical-style building in Berlin-Mitte. Designed by the architects Martin Gropius and Heino Schmieden, the palace was completed in 1893. The building functioned as a residence- and bank building for the Mendelssohn family. Partly destroyed in World War II, the undamaged remnant of the palace is currently seat of a business company.

Mossehaus is an office building on 18–25 Schützenstraße in Berlin, renovated and with a corner designed by Erich Mendelsohn between 1921 and 1923. The original Mosse building housed the printing press and offices of the newspapers owned by Rudolf Mosse, mainly liberal newspapers such as the Berliner Tageblatt. The sandstone-fronted historicist 1901 building by Cremer & Wolffenstein was badly damaged in 1919 during the Spartacist uprising; held by the insurrectionists, it was laid under siege by government troops. In 1921, on the strength of his Einstein Tower, Mendelsohn was hired to add extra storeys and a new entrance to the building. The new frontage made prominent use of aluminum and modern typography, and the new upper floors were made from ferro-concrete. The experimental nature of the structure led to a disaster during construction in 1923, when one of the slabs of the new extension fell into the newspaper offices, which were still in use, killing 14 people. The use of strips and sculpted elements in the fenestration gave it a dynamic, futuristic form, emphasised by the contrast with the Wilhelmine style below. It was one of the first examples of a streamlined building, and hence a great influence on Streamline Moderne. The effect on American architecture is perhaps unsurprising, as Mendelsohn's partner on the Mossehaus and the designer of the interiors was Richard Neutra. The building was very badly damaged during World War II. The entire wing along Jerusalemerstraße was destroyed, as was the façade on the corner of Schützen-/Jerusalemerstraße, which was elaborately constructed by Mendelsohn. After the war, it was rebuilt in a simplified form. The building was very close to the Berlin Wall, so it became dilapidated. Though Mossehaus was at one time the tallest non-church building in Berlin, it is now dwarfed by the nearby Fischerinsel tower blocks on the former East side and the Axel Springer AG buildings on the former West side. The building was restored to its original splendor in the 1990s.

The New Church (German: Neue Kirche; colloquially German: Deutscher Dom, meaning "German Cathedral"), is located in Berlin on the Gendarmenmarkt across from French Church of Friedrichstadt (French Cathedral). Its parish comprised the northern part of the then new quarter of Friedrichstadt, which until then belonged to the parish of the congregations of Jerusalem's Church. The Lutheran and Calvinist (in German Reformed Church) congregants used German as their native language, as opposed to the French-speaking Calvinist congregation of the adjacent French Church of Friedrichstadt. The congregants' native language combined with the domed tower earned the church its colloquial name Deutscher Dom. While the church physically resembles a cathedral, it is not a cathedral in the formal sense of the word, as it was never the seat of a bishop. After being heavily damaged during the bombing of Berlin in World War II, reconstruction was completed 1988; the church now serves as a museum.

The Gendarmenmarkt is a square in Berlin and the site of an architectural ensemble including the Berlin concert hall and the French and German Churches. In the centre of the square stands a monumental statue of poet Friedrich Schiller. The square was created by Johann Arnold Nering at the end of the seventeenth century as the Linden-Markt and reconstructed by Georg Christian Unger in 1773. The Gendarmenmarkt is named after the cuirassier regiment Gens d'Armes, which had stables at the square until 1773. During World War II, most of the buildings were badly damaged or destroyed. Today all of them have been restored.

The Schiller Monument is located in central Berlin (Berlin-Mitte) on Gendarmenmarkt, in front of the flight of steps leading up to the former royal theater, today a concert hall. It honors the poet, philosopher and historian Friedrich Schiller, who is also regarded as one of the most significant dramatists and lyricists of the German language. The set of statues was executed by Reinhold Begas a prominent 19th-century German sculptor. It is a registered historic monument.