Haghartsin (Armenian: , also Romanized as Haghardzin; until 1940, Dzharkhedzh, Dzharkhech or Zarkhej; until 1992, Kuybyshev or Kuybishev) is a town in the Tavush Province of Armenia. Haghartsin monastery is located near the town. In 1940, the town was renamed for the Soviet politician Valerian Kuybyshev.