behind the shoulder just like a deer. the hair behind the shoulder is longer and can cover most damage,if not to big.you want to try and do as little damage as possible,because the more damage,the higher cost to get it repaired.
most taxidermist can fix a lot,but they are not magicians.just be very careful with your game,keep it clean and free from as much blood and dirt as you can.

I am not a hunter I am a whitetail population reduction specialest

remember keep your back to the sun, your knife sharp, and your powder dry.