Our planet Earth is part of the solar system together with 7 other planets. Next, our Solar system is located within the Orion Arm of our Milky Way Galaxy.
Our Milky Way Galaxy together with M31 Andromeda Galaxy (2million ly away from us) and more then 30 other smaller galaxyes are part of the Local Galactic Group.
More then 100 kind of these local galactic groups form another group called the Virgo Supercluster.
Currently many of these superclusters are what we today call the Observable universe.
Source Wikipedia.