Since you asked so nicely…
External views under left hand wheelarch. The under-bonnet view is the drivers side (RHD). At the other side the hole is obscured by the battery. The rear spring cup: there’s a series of holes which easily block with a stone (or too much underbody wax)
This is my 2018 car. It used to be used daily for 50 mile round trip. But in recent years it’s used rather less and is in need of a little cleaning up (cars are always better if used frequently, I know. My 2013 Defender does the bulk of my carrying these days)