Quick Cache "N" Dash.
You are looking for a clear, round, flat plastic container.
Can you see why the cache gets it's name? Look at the signs either side of Ground Zero on the adjacent road.
Can be accessed from main road or you could park in the housing estate and wander up the lane parallel to the cemetery.
GPS very slightly out, The cache IS NOT in the cemetery. It is also a little closer to the road but still perfectly safe to grab.