Tayma or Tema is located in the northwestern Saudi Arabia, 400 km north of Madinah and 260 km southeast of Tabuk. Evidences from the excavations of the city of Tayma discloses its rich history from 8th century BC. Hadaj well, near Tayma city center, is considered one of the largest wells in the Arabia Peninsula. It was dug and constructed in the sixth century B.C. It was said to be buried when the flood disaster hit Tayma and centuries later, was reconstructed.