The links below are to a presentation I gave at our church in Boise, Idaho as our parish was preparing to host a family from Kosovo in 2001. The sources for the information were
Europe. A History. by Norman Davies
The Penguin Atlases of Ancient, Medieval, Recent, and Modern History by Colin McEvedy
The Fall of Yugoslavia. The Third Balkan War, by Misha Glenny
The following 10 maps take the history of the Balkans in very broad strokes. In each map I have included the modern (1990-ish) boundaries for perspective. I have not updated this series with the events post-1990 which I need to do at some point for completeness.
MAP 1. Tito's Yugoslavia. 1945-1987
MAP 2.1941-1945. The impact of WW2 on the Balkans
MAP 3.1918-1941
MAP 4.1914-1918. The impact of WW1 on the Balkans
MAP 5.1912-13. The Balkan Wars
MAP 6. 15th-19th Centuries. Effect of the Ottoman Empire on the Balkans
MAP 7. 13th Century. The Greater Serbian Empire
MAP 8. 9th-10th Century. The East West split in Christianity
MAP 9. 7th Century. Slavic migration to the Balkans
MAP 10. End of the 4th Century. Division of the Eastern and Western Roman Empire