This article explores the websites of the key institutions of the European Union to consider whether these applications of the new information and communication technologies may become a functional equivalent of the national capital city in the emerging supranational political arena. Three functions of capital cities are evaluated: that of command centre, showcase and cultural arena. The websites under consideration do provide a representation of the EU command centre, and they also offer detailed information useful for those monitoring and partaking in the EU decision-making process. They are underused as supranational showcase, with the noticeable exception of their institutionalisation of multilingualism. And they do offer a rudimentary EU-wide public space. The findings suggest that there is a real potential that could be exploited by the EU institutions to foster the expression of the supranational community.