The Stromma diplomatic enclave, a Stromma species' outpost, existed on the edge of the Black City. This city was situated on Quethold, a planet in the Unknown Regions which served as the homeworld for the Quesoth species. Lhagva, an Empire of the Hand stormtrooper who belonged to the Stromma species, spent two years at this enclave. Later, in 8 ABY, Lhagva expressed his concern to Imperial Lieutenant Dramos Sanjin about the potential destruction of the Quesoth by the Storm-hair warlord Nuso Esva. He conveyed his affection for the Quesoth and shared his memories of his time at the Stromma diplomatic enclave with Sanjin.
Timothy Zahn mentioned the Stromma diplomatic enclave in his 2011 novella, Crisis of Faith. This novella was included in the 20th Anniversary Edition of Heir to the Empire, Zahn's novel from 1991.[1]