Palais Ephrussi is a former Ringstraßenpalais in Vienna

Vienna

Vienna is the capital and largest city of the Republic of Austria and one of the nine states of Austria. Vienna is Austria's primary city, with a population of about 1.723 million , and is by far the largest city in Austria, as well as its cultural, economic, and political centre...

. It was built for the Ephrussi family

Ephrussi family

The Ephrussi family were a Jewish banking and oil dynasty who originated in Odessa, Ukraine. The family were elevated to the nobility by the Habsburg emperor. The family controlled large-scale oil resources in the Crimea and the Caucasus. They had made their initial fortune controlling grain...

 of financiers by Theophil Freiherr von Hansen

Theophil Freiherr von Hansen

Baron Theophil Edvard von Hansen was a Danish architect who later became an Austrian citizen...

, the architect of the Austrian Parliament Building

Austrian Parliament Building

The Austrian Parliament Building in Vienna is where the two Houses of the Parliament of Austria conduct their sittings. The building is on the Ringstraße boulevard in the first district Innere Stadt, close by the Hofburg Palace and the Palace of Justice.The main construction lasted from 1874 to 1883...

. It is located opposite St. Stephen's Cathedral, Vienna.

Unlike traditional, baroque

Baroque

The Baroque is a period and the style that used exaggerated motion and clear, easily interpreted detail to produce drama, tension, exuberance, and grandeur in sculpture, painting, literature, dance, and music...

 noble

Nobility

Nobility is a social class which possesses more acknowledged privileges or eminence than members of most other classes in a society, membership therein typically being hereditary. The privileges associated with nobility may constitute substantial advantages over or relative to non-nobles, or may be...

 palaces in Vienna, the Palais Ephrussi was built in the late 19th century and is therefore considered a Ringstraßenpalais. It is up to five storeys high and build in the for its time typical neo-renaissance

Neo-Renaissance

Renaissance Revival is an all-encompassing designation that covers many 19th century architectural revival styles which were neither Grecian nor Gothic but which instead drew inspiration from a wide range of classicizing Italian modes...

 style.

The palace was heavily damaged during World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

. One whole wing was destroyed and has been replaced with a modern building which housed the OPEC

OPEC

OPEC is an intergovernmental organization of twelve developing countries made up of Algeria, Angola, Ecuador, Iran, Iraq, Kuwait, Libya, Nigeria, Qatar, Saudi Arabia, the United Arab Emirates, and Venezuela. OPEC has maintained its headquarters in Vienna since 1965, and hosts regular meetings...

 for a while.

The remains of the palace are at present time occupied by the Headquarters of Casinos Austria

Casinos Austria

Casinos Austria, formed in 1967 and based in Austria, is a gaming corporation that owns and operates casinos around the globe. It is one of the largest casino operators in the world...

.