Hadaj well, one of the most famous wells in the Arabian Peninsula and is located in the northwest of Saudi Arabia in the city of Taima and has an eye from its southern corner still supplies it to date and the wellhead is a wide diameter of 50 feet and depth of 40 feet, with an irregular round shape, folded stones, hit The proverbial generosity described the man given as "Hadaj Taima". The well is located in the center of the old town within a circular frame of palm trees. The well is believed to date back to the first millennium BC. The drilling of the well is attributed to the Babylonian king Nabonidus who lived in Taima for ten years