 In 1971, "Karmir Gyugh" was enlarged with the merger of the nearby settlements of Verin (upper) and Nerkin (lower) Chambarak, and turned into an urban-type settlement.The following year, the settlement was officially renamed "Krasnoselsk".After the independence of Armenia, "Krasnoselsk" was renamed "Chambarak" in 1992 and became an urban community (municipality).