Sanctuary (Aly & AJ EP)

Sanctuary is the second extended play (EP) by American pop music duo Aly & AJ. It was released on May 10, 2019, through the duo's independent label Aly & AJ Music LLC. The EP follows Aly & AJ's first EP, Ten Years (2017). A continuation of the 1980s-inspired sound found on Ten Years, Sanctuary is a synth-pop and electropop EP that discusses themes of love, mental health, and life. Sanctuary was positively received by music critics, who praised the EP's further exploration of 1980s synth-pop, while also praising the duo's musical growth.

Commercially, Sanctuary peaked at #29 on the US Independent Albums chart, while entering the lower region of the Album Downloads chart in France. Sanctuary was preceded by the release of two singles: "Church" was released as the lead single on March 29, 2019, followed by "Don't Go Changing", released on April 26, 2019. The duo additionally embarked on the Sanctuary Tour in North America and Europe to promote the EP.