The Astro Tower is a skyscraper in Brussels

Brussels

Brussels , officially the Brussels Region or Brussels-Capital Region , is the capital of Belgium and the de facto capital of the European Union...

, Belgium

Belgium

Belgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...

. It is located on the northeast corner of the small ring

Small ring (Brussels)

The Brussels small ring or inner ring road is a series of roadways in central Brussels, Belgium, surrounding the historic city centre. It was built on the site of the Second walls of Brussels, built in the 16th century, after they were torn down....

 in the municipality of Saint-Josse-ten-Noode

Saint-Josse-ten-Noode

Sint-Joost-ten-Node or Saint-Josse-ten-Noode is one of the nineteen municipalities located in the Brussels-Capital Region of Belgium....

, just north of the Madou Plaza Tower

Madou Plaza Tower

Madou Plaza Tower is a high-rise building in Brussels . It was built in 1965 and renovated between 2002 and 2006 and taken over by the European Commission's Directorate-General for Education and Culture...

. The Astro Tower is 107 metres (351 ft) tall, making it one of the tallest buildings in Belgium.

The financial firm Fortis

Fortis (finance)

Fortis N.V./S.A. was a company active in insurance, banking and investment management. In 2007 it was the 20th largest business in the world by revenue but after encountering severe problems in the financial crisis of 2008, most of the company was sold in parts, with only insurance activities...

has leased the entirety of the building from 2005 to 2011. From 2011 to 2013, the building will undergo extensive renovations.