Armenia–Georgia border
The Armenia–Georgia border (, , ) is the international boundary between Armenia and Georgia. It is in length and runs from the tripoint with Turkey in the west to the tripoint with Azerbaijan in the east. Description The border starts in the west at the tripoint with Turkey and proceeds overland to the tripoint with Azerbaijan via a series of irregular lines and a small section in the east along the Debed river. The western, more mountainous section of the boundary contains two lakes situated quite close to the frontier – Madatapa (in Georgia) and Arpi (in Armenia). History During the 19th the Caucasus region was contested between the declining Ottoman Empire, Persia and Russia, which was expanding southwards. Russia formally annexed the eastern Georgian Kingdom of Kartli and Kakheti in 1801, followed by the western Georgian Kingdom of Imereti in 1804. Over the course of the 1800s Russian pushed its southern frontier southwards, at the expense of the Persian and Ottoman Empires. By the Russo-Persian War (1804–1813) and the subsequent Treaty of Gulistan, Russia acquired the bulk of what is now Azerbaijan and the southern Syunik region of modern Armenia. Following the Russo-Persian War (1826–1828) and the Treaty of