Spanish Socialist Workers ' Party , PSOE , is opposed to the independence of the Catalan region .
Parties opposed to the regional independence are Ciutadans ( Citizens ) , the PP Català Partido Popular ( People 's Party ) , the Partit dels Socialistes de Catalunya ( Socialists ' Party of Catalonia ; PSC ) , the Catalan referent of the Partido Socialista Obrero Español ( Spanish Socialist Workers ' Party ; PSOE ) and Podemos , the third largest party in the Spanish parliament .