Seat of the European Parliament in Strasbourg Seat of the European Parliament in Strasbourg The city of Strasbourg (France) is the official seat of the European Parliament. The institution is legally bound to meet there twelve sessions a year lasting about four days each. Other work takes place in Brussels and Luxembourg City (see Location of European Union institutions for more information). Also all votes of the European Parliament must take place in Strasbourg. "Additional" sessions and committees take place in Brussels. Although "de facto" a majority of the Parliament's work is now geared to its Brussels site, it is legally bound to keep Strasbourg as its
Institutional seats of the European Union less binding than the other seats. The 2011 Treaty Establishing the European Stability Mechanism (ESM) states that the seat of the ESM must be in Luxembourg. The ESM should be ratified and active in mid-2013 and it is allowed to establish a liaison office in Brussels. There are numerous other bodies and agencies that have not had their seats fixed by treaties. Brussels hosts the European Defence Agency (as NATO and formerly the WEU are also in the city). Luxembourg hosts the Translation Centre for the Bodies of the European Union and the European Investment Bank. Strasbourg and Brussels both