Kamigoryo Shrine

Japanese: 上御霊神社 - かみごりょうじんじゃ

…For this reason, the Fujiwara clan, who held the power, took the lead in organizing Goryoe ceremonies with the participation of the people of Kyoto in an attempt to wipe out social unrest. These Goryoe ceremonies were established in the early Heian period mainly in response to epidemics, and various Goryoe ceremonies were started and flourished in the capital, such as the Goryoe ceremonies at Kami-Goryo Shrine in Kamigyo Ward, Kyoto City, and Shimo-Goryo Shrine in Nakagyo Ward, Kyoto City, the Goryoe ceremonies at Kitano Shrine (Kitano Tenmangu Shrine) which enshrines Sugawara no Michizane, and the Gion Goryoe (Gion Festival) at Yasaka Shrine. These festivals include processions and entertainment such as portable shrines, and often feature costume dances known as Furyuu, and are most often held between May and August of the lunar calendar, when epidemics are prevalent. …

From Prince Sawara

...Later, he was also worshiped at the Goryoe, but this idea was passed down from the Middle Ages onwards. Kami-Goryo Shrine (Kamigyo Ward, Kyoto City) enshrines the eight spirits, including Prince Sawara. [Sato Sojun]...

*Some of the terminology used in reference to Kamigoryo Shrine is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…このため政権の座にあった藤原氏が中心となり，京中の民が参加して御霊会を営み，社会不安を一掃しようとした。この御霊会はおもに疫病の流行にともなって，平安時代の初期に成立し，京都市上京区の上御霊神社，京都市中京区の下御霊神社をはじめ，菅原道真をまつる北野神社(北野天満宮)の御霊会や八坂神社の祇園御霊会(祇園祭)など，都を中心にさまざまの御霊会が始められ隆盛をみた。これらの祭礼は神輿渡御などの行列や芸能があり，風流（ふりゆう）とよばれる仮装踊が行われることが多く，その時期も，疫病が流行する旧暦5月から8月の間が最も多い。…