Foreign Fighters in Ukraine is the first comprehensive academic study taking an in-depth look at foreigners who have chosen to fight in the conflict in Ukraine.

Kacper Rekawek is a Postdoctoral Fellow at the Center for Research on Extremism (C-Rex), University of Oslo, Norway, and a Researcher at the Counter Extremism Project (CEP).

1. Introduction: The Western European Foreign Fighter Secret Society 2. Conflict: Myth and Reality in the War in Ukraine 3. Hosts of the Foreign Fighters in Ukraine: Volunteer Battalions and Popular Militias 4. "Two Sides of the Same Coin"? Ideological (Non) Split on the European Far Right vis-à-vis the War in Ukraine 5. France: "To Fight American Imperialism" 6. Sweden: "Fight Them There So They Don't Come Here" 7. Balkans: Repeating the 1990s War in Yugoslavia? 8. Other Western Europeans (and Americans): A Few Here, A Few There 9. Central-Eastern Europeans (CEE): More Red than Brown? 10. Elephant in the Room: Russian Foreign Fighters in the War in Ukraine 11. Conclusion 12. "Concerned Citizens of the World?" Foreign Volunteers for Ukraine in 2022