Milky Way. Every star we see in the sky is part of the Milky Way, but a brighter center exists some light-years away. The Milky Way is about light-years in diameter and contains 200 to 400 billion stars.
Astronomers define our place in the cosmos, A visualisation of a slice of the Laniakea supercluster shows individual galaxies as white dots and their movement by white threads. The region contains 100 million billion stars.
Milky Way's Structure Mapped in Unprecedented Detail
(we're the red dot) Laniakea is Hawaiian for "immeasurable heaven", mapped only in 2014 using velocities, this is our home of the Milky Way spiral galaxy & other galaxies as our neighbours in a galactic supercluster