(Study.com): A structured look at how the "Balkan League" (Serbia, Bulgaria, Greece, and Montenegro) initially united to remove the Ottoman Empire from Europe, only to turn on each other over the spoils.
If you are looking for a summary of the more recent conflicts that reshaped the modern map of the region, these posts provide excellent narrative overviews. balkan wars
(Wilbur's Travels): A personal take that focuses on the "confusing" nature of who was fighting whom, specifically highlighting the sieges in Bosnia and the roles of UN peacekeepers. (Study
(Kathmandu & Beyond): This is a highly-regarded summary for travelers and history buffs. It breaks down the complex dissolution of Yugoslavia into digestible sections, from the independence of Slovenia and Croatia to the Kosovo conflict. (Kathmandu & Beyond): This is a highly-regarded summary
These posts focus on the two sharp conflicts that served as the "prelude" to World War I.
(The Strategist): Written by former Swedish Prime Minister Carl Bildt, this post reflects on the 30-year legacy of these wars and their long-term socio-economic impact on the region. 2. The Historical Balkan Wars (1912–1913)