Zembretta () is an island located in the north-eastern Gulf of Tunis about east of the island of Zembra. Its area is two hectares.
With Zembra, it is also classified as an Important Bird Area (TN003).MOURAD AMARI, HICHEM AZAFZAF (2001). Tunisia in Important Bird Areas in Africa and Associated Islands: Priority Sites for Conservation, Fishpool, L. D. C. and Evans, M. I., eds (PDF). Cambridge: Pisces Publications, Birdlife International. p. 958.
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