Claim: Kotavank, located in Nerkin Getashen, a major village along the southwest coast of Lake Sevan in Gegharkunik Province,  Armenia, is a domed cruciform central-plan church founded by Grigor Supan and completed in the 9th century.
Evidence: Domed cruciform central-plan Armenian, Church Grigor Supan 9th century Nerkin Getashen, Gegharkunik Province, Armenia Nerkin Getashen (Armenian: Ներքին Գետաշեն, also Romanized as Nerk'in Getashen, Nerkin Getachen, and Nerqin Getashen - meaning Lower Getashen; prior to 1945, Nerkin Adyaman and Nizhniy Adyaman - both meaning Lower Adyaman) is a major village located along the southwest coast of Lake Sevan in the Gegharkunik Province of Armenia.