The region called the empty quarter is identified with which letter on the map

The region called called an empty quarter if very few Plants, animals, or people living in that Region.

One of the example is the Arabian Dessert, which climate is so extreme only a specific types of plants and animals able to live there.

try to find the letter on top of a Dessert

Pilgrims is the answer

Ibelieve the answer is  battle of saratoga but i could be wrong