The Choazil Islands, also known as the Malandzamia Islands, are two small islands located off the shore of Mtsamboro

Mtsamboro

Mtsamboro is a small fishing town and commune in the French overseas department in northwest Mayotte, in the Indian Ocean. Its total population according to the 2007 census is 6,917. Included in the commune are the Choazil Islands and Chissioua Mtsamboro...

, northern Mayotte

Mayotte

Mayotte is an overseas department and region of France consisting of a main island, Grande-Terre , a smaller island, Petite-Terre , and several islets around these two. The archipelago is located in the northern Mozambique Channel in the Indian Ocean, namely between northwestern Madagascar and...

 in the Indian Ocean

Indian Ocean

The Indian Ocean is the third largest of the world's oceanic divisions, covering approximately 20% of the water on the Earth's surface. It is bounded on the north by the Indian Subcontinent and Arabian Peninsula ; on the west by eastern Africa; on the east by Indochina, the Sunda Islands, and...

. To the northwest is the larger Chissioua Mtsamboro

Chissioua Mtsamboro

Chissioua Mtsamboro, widely known previously as Zamburu Island, also Saddle Island, is an island, about 3 miles off the northwest coast of Mayotte in the Indian Ocean in the Comoros archipelago. It lies north of the Choazil Islands, just off the coast of Mtsamboro.This stretch of water is known...

 (widely known as Zamburu Island). This stretch of water is known as the Choazil Passage

Choazil Passage

Choazil Passage is a passage in the Mozambique Channel which separates the mainland of Mtsamboro in northwest Mayotte from the Choazil Islands. It is said to be 5 1/2 fathoms deep mid channel....

, part of the Mozambique Channel

Mozambique Channel

The Mozambique Channel is a portion of the Indian Ocean located between the island nation of Madagascar and southeast Africa, primarily the country of Mozambique. It was a World War II clashpoint during the Battle of Madagascar...

.

Coral reefs border all sides of the island except the southern. The western of the Choazil Islands is said to be 164 feet high.
The soundings close to the reef surrounding Zamburu are reportedly from 10 to 15 fathoms.