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The Palace of the Parliament (romanian: Palatul Parlamentului) is the seat of the Parliament of Romania. Located on Dealul Arsenalului in central Bucharest (Sector 5), it is the largest administrative building in the world with a height of 84 m, an area of 365,000 m2 and a volume of 2,550,000 m3. In terms of weight, the Palace of the Parliament is the heaviest building in the world, weighing in at around 4,098,500,000 kg. Today only 400 rooms and two meeting rooms are finished and used, out of 1,100 rooms.

A colossal parliament building known for its ornate interior composed of 23 sections, it houses the Senate and the Chamber of Deputies, three museums and an international conference center. The museums hosted inside the Palace are the National Museum of Contemporary Art, the Museum of Communist Totalitarianism (established in 2015) and the Museum of the Palace. Though named the House of the Republic (Romanian: Casa Republicii), after the Romanian Revolution in 1989 it became widely known as the People's House (Romanian: Casa Poporului). Due to its impressive endowments, events organized by state institutions and international bodies such as conferences, symposia, and others take place there, but even so about 70% of the building remains empty. (source : wikipedia)