Zembra is a Tunisia

Tunisia

Tunisia , officially the Tunisian RepublicThe long name of Tunisia in other languages used in the country is: , is the northernmost country in Africa. It is a Maghreb country and is bordered by Algeria to the west, Libya to the southeast, and the Mediterranean Sea to the north and east. Its area...

n island

Island

An island or isle is any piece of sub-continental land that is surrounded by water. Very small islands such as emergent land features on atolls can be called islets, cays or keys. An island in a river or lake may be called an eyot , or holm...

, located several kilometers away from Sidi Daoud. This island is a 432 metre tall rock formation, and as such contains cliff

Cliff

In geography and geology, a cliff is a significant vertical, or near vertical, rock exposure. Cliffs are formed as erosion landforms due to the processes of erosion and weathering that produce them. Cliffs are common on coasts, in mountainous areas, escarpments and along rivers. Cliffs are usually...

s, some of which are about 400 meters high. This natural fortress is currently used by the Tunisian army

Military of Tunisia

The Tunisian Armed Forces consist of the Army, Navy, and Air Force.As of 2008, Tunisia had an army of 27,000 personnel equipped with 84 main battle tanks and 48 light tanks. The navy numbered 4,800 operating 25 patrol boats and 6 other craft. The air force had 4,000 personnel, 27 combat aircraft...

, and on its southern coast one can see remains of an ancient port.
Vegetation consists of about 266 plant species are distributed according to topography of land, including olive and juniper Phoenician and Gorse along Aldhiro and ling and Alkhalnj multi flowers grows in abundance in the adult spinal north-eastern side in addition to other plants in favor of saline soils.
Characterized by the island layers ground ranging from rock, clay, sand and lime magnesium, especially in big head north and there in the deep corridors and arches under the water also has a Mediterranean climate, but exposed to the winds of autumn and winter and the sea currents deep and there are some eyes fresh with a flow of the weak to the valley slope of the Highland.