The Balkan region has experienced several wars throughout history. Some of the major conflicts include:

1. Balkan Wars (1912-1913): These were two wars fought between the Balkan League (Serbia, Montenegro, Greece, and Bulgaria) and the Ottoman Empire. The wars resulted in the territorial expansion of the Balkan states and the weakening of the Ottoman Empire.

2. World War I (1914-1918): The Balkan region was heavily affected by World War I, with several countries in the region being involved in the conflict. The war led to significant political and territorial changes in the Balkans.

3. Yugoslav Wars (1991-2001): These were a series of conflicts that took place after the breakup of Yugoslavia. The wars involved several countries in the Balkan region, including Croatia, Bosnia and Herzegovina, Serbia, Montenegro, Kosovo, and Macedonia. The conflicts resulted in the dissolution of Yugoslavia and the creation of several new countries.

It is important to note that these are just some of the major wars in the Balkan region, and there have been other smaller conflicts and tensions throughout history.