Our Space Address

All of us know our home address. It allows us to specify where we live on Earth.
What about the Universe? It is immense and it is so easy to get lost in it! There are so many bright and small stars, mysterious nebulae, and huge galaxies!
How to make a difference between them? How to find out where our planet is situated?
You need to know our space address for this, and then you will never get lost on space tracks!