The Czech Social Democratic Party (Czech: Česká strana sociálně demokratická, ČSSD, pronounced [ˈtʃɛskaː ˈstrana ˈsotsɪjaːlɲɛ ˈdɛmokratɪtskaː]) is a social-democratic political party in the Czech Republic. Sitting on the centre-left of the political spectrum and holding pro-European views, it is a member of the Party of European Socialists, the Socialist International, and the Progressive Alliance. Masaryk Democratic Academy is the party-affiliated's think tank.