Why was the location of New Orleans
so important during the Battle of New
Orleans?

New Orleans was one of the most important port cities in t he U.S. at the time. The city allowed access to the Mississippi River, an important route for both transportation (of both troops and civilians) and shipping.

Explanation:

It is said to have a significant importance as the city allowed access to the Mississippi River, an important route for both transportation of both troops and civilians and shipping of resources and the above stated

its many islands, high mountains, and remote peninsulas isolated population centers.