Wikipedia
Virjal
Virjal or Viryal ( [vir] — upper, west and [yal] — village, community) — a part of Chuvash people. Denomination "Virjal", i. e. upper, living upstream of Volga River, is opposed to Anatri ( [anat] — lower, east), i. e. Lower Chuvash, living downstream of Volga River.