Siwa is the westernmost outpost of Tamazgha, an oasis in Egypt's Western Desert some fifty kilometres from the Libyan border and three hundred kilometres south of the Mediterranean coast. Its depression sits below sea level and supports salt lakes, date palms, and olive groves.
Siwa is the only surviving Berber-speaking community in Egypt. Siwi, classified within the eastern Berber group, has roughly thirty thousand speakers and is the daily language of the oasis alongside Egyptian Arabic, increasingly dominant among younger generations.
The oasis was the seat of the Oracle of Amun, consulted in 331 BCE by Alexander the Great, who is said to have been confirmed there as the son of Amun. The ruined temple at Aghurmi remains; the surrounding fortified settlement of Shali, built of kershef — a salt-and-mud composite — was inhabited until heavy rains in 1926 made much of it uninhabitable.
Siwa retains an unusual tribal social structure organised around eleven clans and a distinct customary code, and its material culture, jewelry, and embroidery have been the subject of sustained ethnographic attention. Tourism, dates, and olives are the contemporary economy.