As it achieved a considerable market position as a souvenir sold at Sendai Station in Sendai City, which was a Shiten-Keizai toshi (an economically developed city where the branch firms or subsidiary firms converge), it is regarded nationally as a 'local product in Sendai City'; however, when considering the origin of the name (see 'Sendai') it's a 'local product of the former Sendai Domain.'
支店経済都市である仙台市の仙台駅で土産品としての地位を確立したため、全国的には「仙台市の特産品」との認識もあるが、名称の由来からも「旧仙台藩の特産品」である（→仙台参照）。