This article is about volunteers of Polish nationality or extraction who fought for the Spanish Second Republic in the Spanish Civil War. According to André Marty, the Comintern "chief organiser", about 3,000 Poles volunteered for the International Brigades. Elsewhere, it has been calculated that 5,400 Poles fought in Spain.[1] The majority (3,800) were miners working in France, 300 were Polish-Americans, and several hundred were Poles living in various European countries. Only 800 came from Poland itself.[2]