Socialist Party of the Basque Country–Basque Country Left
| Socialist Party of the Basque Country–Basque Country Left Euskadiko Alderdi Sozialista – Euskadiko Ezkerra | |
|---|---|
| Leader | Eneko Andueza | 
| Founded | 26 March 1977 (PSE) 27 April 1993 (PSE–EE) | 
| Headquarters | C/ Alameda de Rekalde, 27, 4ª 48009, Bilbao | 
| Membership (2014) | 5,250 | 
| Ideology | Social democracy Basque regionalism Federalism | 
| Political position | Centre-left | 
| National affiliation | Spanish Socialist Workers' Party | 
| Colours | Red, White | 
| Basque Parliament | 10 / 75 | 
| Congreso de los Diputados (Basque seats) | 5 / 18 | 
| Spanish Senate (Basque seats) | 4 / 15 | 
| Juntas Generales | 21 / 153 | 
| Local seats (2015-2019) | 203 / 2,628 | 
| Mayors | 9 / 251 | 
| Website | |
| www | |
The Socialist Party of the Basque Country–Basque Country Left (Basque: Euskadiko Alderdi Sozialista – Euskadiko Ezkerra, Spanish: Partido Socialista de Euskadi – Euskadiko Ezkerra, PSE-EE) is a social-democratic political party in the Basque Country that acts as the regional affiliate of the Spanish Socialist Workers' Party (PSOE).