The novel focuses on the self-defense by a small community of Armenians living near Musa Dagh, a mountain in Vilayet of Aleppo in the Ottoman Empire—now in Hatay Province, part of southern Turkey, on the Mediterranean coast—as well the events in Constantinople (Istanbul) and provincial capitals, where the Young Turk government orchestrated the deportations, concentration camps and massacres of the empire's Armenian citizens. This policy, as well as who bore responsibility for it, has been controversial and contested since 1915. Because of this or perhaps in spite of it, the facts and scope of the Armenian Genocide were little known until Werfel's novel, which entailed voluminous research and is generally accepted as based on historical events.