Dorotheus I (Greek: Δωρόθεος Αʹ) was the Greek Orthodox metropolitan bishop of Athens from ca. 1388 to 1392, and the first to reside in the city since 1205. He was the first Orthodox bishop of Athens to be allowed to reside in the city since its conquest by the Crusaders in 1205 and the exile of its then bishop, Michael Choniates. Holders of the see continued to be appointed in the meanwhile, but were always in exile, while Athens, like most of the principalities of Frankish Greece, remained the sole province of the new Roman Catholic clergy. The situation changed in 1388, when the Duchy of Athens passed into the hands of the Florentine Acciaioli family. With little military might of their own, and surrounded by potential rivals and enemies, the Acciaioli cultivated a policy of conciliatio