Isle of Anglesey County Council Llaneilian (Llaneilian/Rhosybol), Llanfaethlu (Llanfachraeth/Llanfaethlu/Llanrhuddlad ward* of Cylch-y-Garn), Llanfair-yn-Neubwll (Bodedern/Llanfair-yn-Neubwll), Llanfihangel Ysgeifiog (Llanfihangel Ysgeifiog/Penmynydd), Llangoed (Llangoed and Penmon), Llanidan (Llanddaniel Fab/Llanidan), Llannerch-y-medd (Llannerch-y-medd/Tref Alaw), London Road (London Road ward* of Holyhead town), Maeshyfryd (Maeshyfryd ward* of Holyhead town), Mechell (Mechell/Llanfairynghornwy ward* of Cylch-y-Garn), Morawelon (Morawelon ward* of Holyhead), Moelfre (Moelfre), Parc a'r Mynydd (Parc a'r Mynydd ward* of Holyhead town), Pentraeth (Llanddona/Pentraeth), Porthyfelin (Porthyfelin ward* of Holyhead town), Rhosneigr (Rhosneigr ward* of Llanfaelog), Rhosyr (Rhosyr), Trearddur (Rhoscolyn/Trearddur), Tudur (Tudur ward* of Llangefni Town), Tysilio (Tysilio ward* of Menai Bridge) and Valley (Valley). <nowiki>*</nowiki> A review of electoral arrangements on Anglesey by
Holy Island, Anglesey Britannia. Cunedda first began warfare against the Irish but ultimately Cadwallon Lawhir defeated the Irish on Holy Island. There are a variety of natural habitats on Anglesey including mudflats, dunes, marshes, and beaches. Practically nothing is left of the oak forest that covered almost all of the island before the arrival of Neolithic farmers. The western side of the island is taken up mainly by Holyhead Mountain, an area of maritime heather moor, which is the highest peak in the county at . The coastal zone between the island and the mainland of Anglesey is a large site of special