Nasr-ad-din-mosque at al Qasr, located in the oasis of Dakhla.
Dakhla Oasis is one of the seven oases of Egypt's Western Desert (part of the Libyan Desert). Dakhla Oasis lies in the New Valley Governorate, 350 km from the Nile and between the oases of Farafra and Kharga. It measures approximately 80 km (50 mi) from east to west and 25 km (16 mi) from north to south.[.