However, in the Koto region in Shiga Prefecture, where Ishido-ji Temple is, there are many other temples with a legendary story of Prince Shotoku's foundation such as Chomei-ji Temple (Omihachiman City), which is one of 33 Saigoku Kannon Pilgrimages, and Hyakusai-ji Temple (Higashiomi City), and this area may be a region in which the Buddhist culture prospered from early times, with some sort of connection with Prince Shotoku.
しかし、石塔寺がある滋賀県湖東地区には他にも西国三十三箇所札所寺院の長命寺（近江八幡市）、百済寺（ひゃくさいじ、東近江市）など、聖徳太子創建伝承をもつ寺院が多く、この地が早くから仏教文化の栄えた土地であるとともに、聖徳太子とも何らかのつながりのあったことを思わせる。