The European Parliament in Brussels, Belgium. One of two legislative bodies of the European Union and one of its seven institutions. Together with the Council of the European Union (known as the Council and informally as the Council of Ministers), it adopts European legislation, following a proposal of the European Commission. The Parliament is composed of 705 members (MEPs). The Parliament is headquartered in Strasbourg, France, Plenary sessions take place in Strasbourg as well as in Brussels, Belgium, while the Parliament's committee meetings are held primarily in Brussels..