The Saadabad Palace is a palace built by the Pahlavi dynasty of
Iran in the
Shemiran area of
Tehran and currently official residence of the President of
Iran.
The complex was first inhabited by Qajar monarchs and royal family in the 19th century. After the Iranian Revolution, the complex became a museum. However, the current presidential palace is located adjacent to the
sa'dabad compound.
Currently, parts of the Saadabad Palace compound are museums, in which visitors can roam through and look at the rich history of
Iran, and some parts of the compound are used by the Iranian Cultural Heritage Organization which is responsible for most of the artifacts, locations, and cultural aspects of
Iran.
Also, the palace named "Kakhe malakeye madar" nowadays belongs to the presidency organization, and hosts the president's foreign guests.
In total,
sa'dabad Palace contains 18 castles or houses.
Reference:
http://en.wikipedia.org/wiki/
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http://www.sadmu.ir/