The oldest stars in a galaxy are usually located towards the centre. Also known as the bulge.
Towards the centre of the Galaxy
milkiway
they are located in the middle of the galaxy
Typically irregular galaxies have the oldest stars
By analysing the oldest stars found.The older the star, the older the Galaxy.
The Virgo Cluster. Possible.
a galaxy is a huge city of stars and the solar system is located in the milky way galaxy that's our galaxy!
A Spiral Galaxy
All over the place.
A spiral galaxy is just a type of galaxy but I can tell you that the stars in the middle are the oldest and the ones on the outside are the youngest.
Nebula
A galaxy.
out side technically it is not inside
A galaxy is by a definition a group of stars. If there were no stars it could not be a galaxy.