Aizen-zaka is a slope in the Uemachi plateau area of Yuhigaokacho in Tennoji Ward, Osaka, and is one of the seven slopes of Tennoji. Its paving forms a wave pattern, and it was used as a filming location for the film Josee, the Tiger and the Fish. The slope has a height difference of 14 m, and at the top stands Aizendō Shōman-in, from which the name derives; cherry trees grow at Ōe Shrine to the north. It is an ordinary slope rather than a staircase, giving it a less distinctive atmosphere than Kuchizaka or Shimizuzaka.