The 2013 Summer Deaflympics, officially known as the 22nd Summer Deaflympics, was an international multi-sport event that took place in Sofia, Bulgaria from July 26 to August 4, 2013. The marathon had been held before in Füssen, Germany on 21 July. Sofia was hosting the biggest sports event for deaf athletes for a second time. In the past the Bulgarian capital hosted the 1993 Summer Deaflympics, thus becoming only the second city, together with Copenhagen, which has hosted two Summer Deaflympics.

Arena Sofia is a multi-purpose indoor arena located in Sofia, Bulgaria. Opened in July 2011, it has a seating capacity of 12,373. It was formerly called Arena Armeets after the Bulgarian insurance company Armeets purchased the naming rights, until the sponsorship was terminated in October 2022.