Daisho-in Temple was under the administration of Itsukushima Shrine until the end of the Edo era (1603-1868). It is said that it was established by Kukai (774-835), but there is no historical evidence to prove that. Daisho-in is located to the south of Itsukushima Shrine, a 20-minute walk from Miyajima Pier. Go to the backstreets of Itsukushima Shrine (called Taki-koji), and you will see the temple buildings sitting at the foot of Mt. Misen (535m).
I visited this temple in late November. The autumn leaves surrounding the temple buildings were at their best. Walking up the stone steps, I really enjoyed a great view of the inlet.
Find out more about Daishoin Temple.