Naka Shrine

The is a shrine found in the villages of Konohagakure and Harugakure. In the main hall, beneath the seventh tatami mat from the far right, is a secret meeting place of the Uchiha clan. There stands a stone monument which contains the clan's secrets and can only be read with specific dōjutsu.

In order to access the main hall, a sequence of seals is required to remove the stone that lays atop the entrance way. The seal itself has the Sharingan in the middle and is encircled with seal formulas.