 Across the quarter the Commission occupies in 61 buildings with the Berlaymont and Charlemagne buildings the only ones over .Across the Rue de la Loi from the Berlayont is the Europa building, which the Council of the European Union and the European Council have used as their headquarters since the beginning of 2017.Their former home in the adjacent Justus Lipsius building is still used for low-level meetings and to house the Council secretariat, which has been located in Brussels' city centre and the Charlemagne building during the course of its history.