Henffordd, Hereford.
Hwlffordd, Haverfordwest.
Hymyr, Humber, (parish).
Iorddonen, Jordan.
Iwerddon, Ireland.
Lerpwl, Liverpool.
Lesedr, Leicester.
Llanbedr, Pont Stephan, Lampeter.
Llandudoch, St. Dogmels.
Llanelwy, St. Asaph.
Llaneurgain, Northop.
Llanfair ym Muallt, Builth.
Llanllieni, Leominster.
Llanymddyfri, Llandovery.
Llinwent, Leintwardine.
Lloegr, England.
Llundain, London.
Llychlyn, the Baltic.
Llydaw, Brittany.
Llynlleifiad, Liverpool.
Llyn Tegid, Bala Lake.
Maelor Gymraeg, Bromfield.
Maesalegr, Bassaleg.
Maes Glas, Greenfield.
Maesyfed, Radnorshire.
Manaw, Man.
Moel Rhon, Skerries.
Môn, Anglesea.
Morgannwg, Glamorgan.
Mor Nudd, English Channel.
Mynwy, Monmouth.
Mynydd Du, Carmarthen Vans.
Mynyw, St. David's.
Nanhyfer, Nevern.
Nant y Nordd, Humber.
Niwbwrch, Newborough.
Penarlâg, Hawarden.
Penbrys, Pembridge.
Penfro, Pembroke.
Penybont, Bridgend.
Pont ar Fynach, Devil's Bridge.
Pont Faen, Cowbridge.
Porthaethwy, Menai Bridge.
Powis, St. Paul's.
Prydain, Britain.
Prydyn, Scotland, Britain.
Rhosiel, La Rochelle.
Rhosyr, Newborough.
Rhuthyn, Ruthin.
Rhydychen, Oxford.
Siep, Cheapside.
Sisedr, Chichester.
Tafwys, Thames.
Talacharn, Laugharne.
Tegeingl, Englefield.
Trallwm, Trallwng, Welshpool.
Trefaldwyn, Montgomery.
Trefdraeth, Newport (Pemb.)
Trefhedyn, Adpar.
Tref Ludd, Ludlow.
Treffynon, Holywell.
Tre'r Delyn, Harpton Court.
Twr Alaher, Alhambra.
Twr Gwyn, Tower of London.
Tyddewi, St. David's.
Wy, Wye.
Wysg, Usk.
Y Drefnewydd, Newtown.
Y Ddena, Forest of Dean.
Y Fan, The Sugar Loaf.
Y Felallt, Beeston.
Y Fenni, Abergavenny.
Y Feri, Ferryside.
Y Gelli, Hay.
Y Waen, Chirk.
Y Werydd, the Atlantic.
Y Wyddfa, Snowdon.
Y Wyddgrug, Mold.
Ynys Lawd, South Stack.
Ynys yr Ia, Iceland.
Ystog, Churchstoke, Erbistock.
Ystrad Fflur, Strata Florida.
Ystrad Marchell, Strata Marcella.
