The 'Star Wars' galaxy is part of science-fiction. It does not exist in the real world, so you will not be able to actually place a location of it.
But, if you are refering to the where the Star Wars galaxy 'exists' in relation to the movies, then the the only information I know there is that it is 'far far away', and that's it's suggested time-frame would be a 'long time ago'.
Since E.T.'s home galaxy is 3 million light-years from Earth, and his species appeared in SW1:TPM, his home galaxy might actually be the Triangulum galaxy (which is 2.7 million light-years from Earth).
There are billions of planets and moons in the Star Wars galaxy.
Yes. The Star Wars galaxy does have 400 billion stars.
It is a fictional galaxy "Far, far away"
the sun
You will use a rocket
Yes. It's impossible to list all 180 billion star systems in the Star Wars galaxy.
400,000,000,000.
Theoretically there could be, the Universe is ever expanding and has millions of galaxies. It is possible, though extremely unlikely, an identical galaxy to that in Star Wars is out there.
No, Galaxy Wars is a fake film used in American programs because they are not allowed to you the real film Star Wars.
The main leaders of the galaxy
Podracing.
20,000,000.