The name Russia comes from the group of Varangians (Vikings), called the, "Rus". They established a state, in the middle of the 9th century in Northern Russia, their power base shifted to trade route to the Greeks, where their capital Kiev was thriving. Thereafter, the state was called, "Kievan Rus". Mostly furs, slaves, and wax, were traded for Arabian silver, as well as Byzantine luxury goods. The state of Kievan Rus was a loose confederation of principalities whose leaders were princes.