روس الكييفية
Another group of East Slavs moved to the northeast, where they encountered the Varangians of the Rus' Khaganate and established an important regional centre of Novgorod. The same Slavic population also settled the present-day Tver Oblast and the region of Beloozero. Having reached the lands of the Merya near Rostov, they linked up with the Dnieper group of Slavic migrants.