This study titled “Violent Right-Wing Extremism and Terrorism – Transnational Connectivity, Definitions, Incidents, Structures and Countermeasures” focuses on the transnational connections of the violent extreme right-wing milieus in six countries: Finland, France, Germany, Sweden, United Kingdom and the United States. It was commissioned by the German Federal Foreign Office, Division “International Cooperation against Terrorism, Drug Trafficking, Organized Crime and Corruption”, in 2020.