What is the shaded area on my star map?

What you can see running through your Star Map is, in fact, The Milky Way, our home galaxy. Here is some more information about the Milky Way:

https://en.wikipedia.org/wiki/Milky_Way

You will see it on all of our Star Maps, although its position varies depending to the place and time of the day. All of our Star Maps are real representations of what was in the heavens above at your particular special moment. 

Our star maps are also astronomically verified, read more about it here: https://www.underluckystars.com/astronomically-verified