古斯拉夫人属印欧人种，讲古斯拉夫语，在公元前主要分布在东起第聂伯河、西至易北河、北临波罗的海、南至喀尔巴阡山之间的一带地区。公元２世纪日耳曼人穿过斯拉夫人居住区向喀尔巴阡山和黑海迁移，使斯拉夫人逐渐分成东西两支。５世纪日耳曼人进人罗马帝国疆域，又使部分斯 The genus Indosinus of the Slavs, speaking of the ancient Slavic languages, mainly lived in the Bth Dnepr River from the east, to the Elbe to the west, to the Baltic Sea to the north, and to the area between the Carpathians to the south. In the second century AD, the Germans migrated through the Slavic settlements to the Carpathians and the Black Sea, gradually dividing the Slavs into two groups. The 5th century Germans entered the Roman Empire territory, so that part of Sri Lanka