Answer:
The Mariana Trench or Marianas Trench is located in the western Pacific Ocean about 200 kilometres east of the Mariana Islands; it is the deepest trench in the world.
Explanation:
It is located in the western Pacific Ocean. It is about 124 miles or 200 kilometers from the Mariana Islands.
If you need to be more specific, the Mariana Trench is located in 17.7500° N, 142.5000° E.
