Ayot Green is one of several "Ayots" in the area including what small village and civil parish in Hertfordshire, between Harpenden and Welwyn
Ayot Green:  There are several other "Ayots" in the area, including Ayot St Lawrence and Ayot St Peter (where in 2011 The Census was included), and it also gives name to the rail trail called Ayot Greenway which stretches from Ayot Green to Wheathampstead.
i don't know