The Portal of the EU:
http://europa.eu/
The European Union 'at a glance':
https://europa.eu/european-union/index_en
The European Parliament:
https://www.europarl.europa.eu/portal/en
The European Commission:
http://ec.europa.eu/index_en.htm
The Council of the European Union:
https://www.consilium.europa.eu/en/
The European Court of Justice and related courts and tribunals:
http://curia.europa.eu/jcms/jcms/j_6/
Details on the European Union Charter of Fundamental Rights may be found at:
http://www.europarl.europa.eu/charter/default_en.htm
For information on European Union citizens’ rights, see:
https://www.gov.uk/government/publications/european-union-citizens-rights