Mario Apostolov currently works for the United Nations Economic Commission for Europe. He is also a visiting scholar at the Graduate Institute of International Studies in Geneva, Switzerland, where he took his PhD.

• Introduction 1. The Concept of the Christian-Muslim Frontier as a Zone of Contact 2. History of the Christian-Muslim Frontier 3. Modern Nation States and the Frontier 4. Interspersing Communities and the Postmodern Functional Frontier 5. Geopolitics of the Frontier 6. The Christian-Muslim Frontier as a Psychological Creation 7. International Security Dimension of the Frontier 8. The Economic Dimension of the Frontier Conclusion

Mario Apostolov currently works for the United Nations Economic Commission for Europe. He is also a visiting scholar at the Graduate Institute of International Studies in Geneva, Switzerland, where he took his PhD.

• Introduction 1. The Concept of the Christian-Muslim Frontier as a Zone of Contact 2. History of the Christian-Muslim Frontier 3. Modern Nation States and the Frontier 4. Interspersing Communities and the Postmodern Functional Frontier 5. Geopolitics of the Frontier 6. The Christian-Muslim Frontier as a Psychological Creation 7. International Security Dimension of the Frontier 8. The Economic Dimension of the Frontier Conclusion

Mario Apostolov currently works for the United Nations Economic Commission for Europe. He is also a visiting scholar at the Graduate Institute of International Studies in Geneva, Switzerland, where he took his PhD.

• Introduction 1. The Concept of the Christian-Muslim Frontier as a Zone of Contact 2. History of the Christian-Muslim Frontier 3. Modern Nation States and the Frontier 4. Interspersing Communities and the Postmodern Functional Frontier 5. Geopolitics of the Frontier 6. The Christian-Muslim Frontier as a Psychological Creation 7. International Security Dimension of the Frontier 8. The Economic Dimension of the Frontier Conclusion