 However, the geographic location Diodorus describes is located in northwest Arabia, around the area of Leuke Kome, closer to Petra and within the former Nabataean Kingdom and Roman province of Arabia Petraea.Ptolemy lists the names of 50 cities in Arabia, one going by the name of "Macoraba".There has been speculation since 1646 that this could be a reference to Makkah, but many scholars see no compelling explanation to link the two names.