Zella or Zalla (Arabic: زلة az-Zallah) is an oasis[1] in the northeastern Fezzan region of southwest Libya.

The Sahara Desert town is approximately halfway between Marada and Hun in the Jufra District.

Situated just in the North of Haruj Lava ( Called Alharuj Alaswad) is the site of an ancient Berber and Arab castle.

There are a number of smaller oases in the vicinity, such as Terzah, Meduin and Tagreft, Tlesim.

Zella is a gateway to Alharuj Al Asswad.