For the situation of Racca, the old Nicephorium, consult D'Anville, (l'Euphrate et le Tigre, p. 24 - 27.) The Arabian Nights represent Harun al Rashid as almost stationary in Bagdad. He respected the royal seat of the Abbassides: but the vices of the inhabitants had driven him from the city, (Abulfed. Annal. p. 167.)