Embassy of Ireland, Berlin

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.

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 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 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.

The Archdiocese of Berlin is a Latin Church ecclesiastical territory or archdiocese of the Catholic Church in Germany. The archepiscopal see is in Berlin, with the archdiocese's territory extending over Northeast Germany. As of 2004, the archdiocese has 386,279 Catholics out of the population of Berlin, most of Brandenburg (except for its southeastern corner, historical Lower Lusatia) and Hither Pomerania, i. e. the German part of Pomerania. This means that a little over 6% of the population in this area is Roman Catholic. There are 122 parishes in the archdiocese. The current archbishop is Heiner Koch, formerly Bishop of Dresden, who was appointed by Pope Francis on Monday, 8 June 2015, to replace Rainer Maria Cardinal Woelki, who had earlier been named Archbishop of Cologne.

St. Hedwig's Cathedral (German: St.-Hedwigs-Kathedrale) is a Catholic church on Bebelplatz in the historic centre of Berlin. Dedicated to Hedwig of Silesia, it was erected from 1747 to 1887 by order of Frederick the Great according to plans by Georg Wenzeslaus von Knobelsdorff in Baroque style. Damaged during the Allied bombing in World War II, the cathedral of the Archdiocese of Berlin was restored from 1952 to 1963 in post-war modernist style as part of the Forum Fridericianum. Since 2018, the listed building has been closed for renovation.

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 private bank Bankhaus Löbbecke AG, headquartered in Berlin, was founded in 1761 as a trading house in Iserlohn, settled in Braunschweig as early as 1763 and finally belonged to the Hamburg private bank M. M. Warburg & Co. since the end of 2003, with which it was merged in 2016. The bank concentrated on private customer business and asset management for financially strong clientele and companies. It also offered the administration and settlement of non-performing loans under trust and service agreements.

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.

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.

The Staatsoper Unter den Linden, also known as the Berlin State Opera (German: Staatsoper Berlin), is a listed building on Unter den Linden boulevard in the historic center of Berlin, Germany. The opera house was built by order of Prussian king Frederick the Great from 1741 to 1743 according to plans by Georg Wenzeslaus von Knobelsdorff in the Palladian style. Damaged during the Allied bombing in World War II, the former Royal Prussian Opera House was rebuilt from 1951 to 1955 as part of the Forum Fridericianum square. Nicknamed Lindenoper in Berlin, it is "the first theater anywhere to be, by itself, a prominent, freestanding monumental building in a city."

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.