Is the stars in the ground AND the hand prints in cement both at this location?

Yes, both side of the road.

Walk of fame is a street with stars located on the both sides of the road and foot/hand prints are on the same road near Chinese theater. So yes - the same location

Handprints are at TCL Chinese theater which is located on the walk of fame (the sidewalks with stars are on several streets whereas the theater is on Holywood Blv)