Christian dating boundaries list
The region takes its name from the Balkan Mountains that stretch from the Serbian-Bulgarian border to the Black Sea.
The gradually acquired political connotations are newer and, to a large extent, due to oscillating political circumstances.
During the 1820s, "Balkan became the preferred although not yet exclusive term alongside Haemus among British travelers...
Among Russian travelers not so burdened by classical toponymy, Balkan was the preferred term." As time passed, the term gradually acquired political connotations far from its initial geographic meaning, arising from political changes from the late 19th-century to the creation of post–World War I Yugoslavia (initially the Kingdom of Serbs, Croats and Slovenes).
Its northern boundary is often given as the Danube, Sava and Kupa Rivers.
From 1920 until World War II, Italy included Istria and some Dalmatian areas (like Zara, today's Zadar) that are within the general definition of the Balkan peninsula.