If you live next to a cemetery, ghosts might knock on your door.
A grave location is a place where there are graves. It is a graveyard, or cemetery.
The reading for 場 is the same as the one you learned with the kanji. You also learned the reading for 墓 with the kanji. In case you can't remember, here's the mnemonic to help you out. When you're finally dead and buried in a graveyard, your one wish is for the New Zealand All Blacks to do the Haka (はか) over your grave. If you don't know what the haka is, look it up, it's pretty neat.