The Party of the European Left (PEL), commonly abbreviated European Left, is a European political party that operates as an association of democratic socialist and communist political parties in the European Union and other European countries. It was formed in January 2004 for the purposes of running in the 2004 European Parliament elections. The PEL was founded on 8–9 May 2004 in Rome. The elected MEPs from member parties of the PEL sit in The Left in the European Parliament – GUE/NGL group in the European Parliament, though not all PEL members are also members of GUE/NGL.