Question: Where is the official residence of the head of state of Germany?

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Genadendal Residence: Genadendal Residence ] is the official residence of the President of South Africa when in office at Tuynhuys, Cape Town.  Genadendal is situated in Cape Town, Western Cape, South Africa.  It has been the official residence since 1994 when Nelson Mandela took up residence here rather than neighbouring Groote Schuur.  The building, formerly known as Westbrook, is named after the town of Genadendal – itself an Afrikaans word meaning "Valley of Mercy".

Government House, Jersey: Government House is the official residence of the Lieutenant Governor of Jersey.  The building is situated in the parish of St Saviour in Jersey.  It is also used for ceremonial functions, receptions and meetings with visiting foreign dignitaries and heads of state.  It is also the official residence of the Duke of Normandy (currently Her Majesty Queen Elizabeth II of the United Kingdom) as head of state when staying in Jersey.

Eastcliff (mansion): Eastcliff is a 20-room house overlooking the Mississippi River in St. Paul, Minnesota, which serves as the official residence of the president of the University of Minnesota system.  It was first built in 1922 by local lumber magnate Edward Brooks Sr. and donated to the university by the Brooks family in 1958, beginning its service as the president's official residence in 1960 when O. Meredith Wilson took the position.  In 2000, the home was added to the National Register of Historic Places.  Today, it is the most-visited public residence in the state (outpacing the Minnesota Governor's Residence), often hosting events five days a week.  6,800 people were recorded attending 159 events in 2005.

Government House, Bermuda: Government House is the official residence of the Governor of Bermuda.  It is located on Langton Hill, overlooking the North Shore in Hamilton, Pembroke.  Government House is also the official residence of the Bermudian head of state (currently Queen Elizabeth II) when staying in Bermuda.

President of Germany: The President of Germany, officially the President of the Federal Republic of Germany (German: "Bundespräsident der Bundesrepublik Deutschland" ), is the head of state of Germany.

State House (Kenya): State House is the official residence of the President of Kenya.  It was the residence of the Prime Minister of Kenya from independence until Kenya (12 Dec 1963) transformed into a republic (12 Dec 1964).  As the Prime Minister's position was abolished, it has been the official residence of the president since then.

Politics of Berlin: Berlin is a city-state and the capital of the Federal Republic of Germany.  The President of Germany, whose functions are primarily ceremonial under the German constitution, has his official residence in Schloss Bellevue.  Berlin is the seat of the German executive, housed in the Chancellery (the "Bundeskanzleramt").  Facing the Chancellery is the Bundestag, the German Parliament, housed in the renovated Reichstag building since the government's move to Berlin in 1998.  The Bundesrat ("federal council", functioning as an upper house) represents the Federal States ("Bundesländer") of Germany and has its seat at the former Prussian House of Lords.

Palais Schaumburg: Palais Schaumburg is a neoclassical-style building in Bonn, Germany, which served as the primary official seat of the German Federal Chancellery and the primary official residence of the Chancellor of the Federal Republic of Germany from 1949 until 1999.  As the headquarters of the Federal Chancellery, it was simply known as "the House of the Federal Chancellor" (German: "Haus des Bundeskanzlers" ).  Since 1999, Palais Schaumburg has served as the secondary official seat of the German Federal Chancellery and the secondary official residence of the Chancellor of the Federal Republic of Germany.

Presidential palace: A presidential palace is the official residence of the president in some countries.  However, some countries do not call the official residence of their head of state a "palace" or use the building only as a workplace separate from the president's actual home.  Some presidential palaces were once the official residences to monarchs in former monarchies that were preserved during those states' transition into republics.  The Cumhurbaşkanlığı Sarayı in the Turkey is the world's largest Presidential Palace, four times that of Versailles.

Hammerschmidt Villa: Hammerschmidt Villa (German: "Villa Hammerschmidt" ) is a villa located in the German city of Bonn that served as the primary official seat and primary official residence of the President of the Federal Republic of Germany from 1950 until 1994.  President Richard von Weizsäcker made Bellevue Palace in Berlin his primary official seat and residence in 1994.  Since 1994, the Hammerschmidt Villa has served as a secondary official seat and secondary official residence for the President.  In German, the Villa is also called the "White House of Bonn", because of its vague resemblance to the official residence of the President of the United States.

Supporting paragraphs: Politics of Berlin President of Germany
Answer: Schloss Bellevue