Wales
G
- Gabalfa
- Gadfa
- Gadlys, Wales
- Gadlys, Rhondda Cynon Taf
- Gadlys, Vale of Glamorgan
- Gaer, Wales
- Gaer, Powys
- Gaer Park
- Gaer-fawr
- Gaerwen
- Gallowsgreen
- Gallt
- Gallt-y-foel
- Galltegfa
- Galltfaenan Hall
- Galon Uchaf
- Ganarew
- Ganllwyd
- Ganol, Bachie
- Gardd Denman
- Garden City, Wales
- Garden City, Flintshire
- Garden Suburb, Carmarthenshire
- Garden Village, Swansea
- Garden Village, Wrexham
- Garden Village, Ifton
- Gardiffaith
- Garmon, Capel
- Garn, Wales
- Garn, Gwynedd
- Garn Ddyrys
- Garn Fach
- Garn Lydan
- Garn-Las
- Garnant
- Garndiffaith
- Garndolbenmaen
- Garneddwen
- Garnfadryn
- Garnlydan
- Garnswllt
- Garny Rerw
- Garreg, Wales
- Garreg, Powys
- Garreg Farm
- Garth, Wales
- Garth, Ceredigion
- Garth, Gwynedd
- Garth, Monmouthshire
- Garth, Powys
- Garth, Wrexham
- Garth Hill
- Garth Owen
- Garth Penrhyncoch
- Garth Place
- Garth Road, Upper
- Garth Trevor
- Garth Uchaf
- Garth Wood
- Garth-Obry
- Garthbrengy
- Gartheiniog
- Gartheli
- Garthgellin
- Garthmyl
- Gatlas
- Gaufron
- Gegin
- Geifr Common
- Geinas
- Gell
- Gelli, Wales
- Gelli, Powys
- Gelli, Rhondda Cynon Taf
- Gelli Crug
- Gelli Deg
- Gelli Ffrydiau
- Gelli-groes Farm
- Gelli-Gron
- Gelli-Haf
- Gelli-nudd
- Gelli-wen, Craig
- Gelli, Cwm
- Gellideg
- Gellifelen
- Gellifelin
- Gellifor
- Gelligaer
- Gelligarn
- Gelligroes
- Gellilydan
- Gellinudd
- Gellioedd
- Gelliwastad
- Gellyswick
- Gellywen
- Gendros
- Geneva
- Georgetown, Wales
- Georgetown, Cardiff
- Georgetown, Merthyr Tydfil
- Gerddi Bluog
- Gerlan
- Gernos, Mountain
- Gethsemane
- Geuffordd
- Geufron
- Giant's Grave
- Gibbet Hill, Powys
- Gibbonsdown
- Gignog
- Gilbert's Cliff
- Gileston
- Gilfach, Wales
- Gilfach Goch
- Gilfachreda
- Gilfachrheda
- Gilwern
- Gladestry
- Glais
- Glan Clwyd
- Glan Conwy
- Glan Frogan
- Glan Gors
- Glan Mule
- Glan-Adda
- Glan-alaw
- Glan-Bran
- Glan-Duar
- Glan-dwr, Wales
- Glan-dwr, Pembrokeshire
- Glan-Frogan Hill
- Glan-Gwili
- Glan-pwll-afon
- Glan-rhyd, Wales
- Glan-rhyd, Neath Port Talbot
- Glan-y-don
- Glan-y-llyn
- Glan-y-nant, Caerphilly
- Glan-y-Nant, Wales
- Glan-y-wern, Wales
- Glan-y-wern, Gwynedd
- Glan-yr-afon, Wales
- Glan-yr-afon, Gwynedd
- Glan-yr-afon, Isle of Anglesey
- Glanaman
- Glanamman
- Glancynon
- Glandwr, Wales
- Glandwr, Blaenau Gwent
- Glandwr, Carmarthenshire
- Glandy Cross
- Glandyfi
- Glaneirw
- Glangrwyney
- Glanhanog
- Glanllyn
- Glanmor
- Glanmule
- Glannant Street
- Glanpwllafon
- Glanrhyd, Wales
- Glanrhyd, Powys
- Glansevin
- Glantawe
- Glantwymyn
- Glanwern
- Glanwydden
- Glanypwll
- Glanyrafon, Wales
- Glanyrafon, Ceredigion
- Glanyrafon, Flintshire
- Glas, Pant
- Glasbury
- Glascoed, Wales
- Glascoed, Powys
- Glascoed, Wrexham
- Glascwm, Wales
- Glascwm, Powys
- Glasfryn
- Glasgwm
- Glasinfryn
- Glasllwch
- Glaspwll
- Glebeland
- Gledrid
- Gleiniant
- Glen-Usk
- Glenboi
- Glenowen
- Glenside
- Glesyrch, Cwm
- Globwll
- Gloddaeth Hall
- Glog Hill
- Glogue
- Glyddyn
- Glyn
- Glyn Brochan
- Glyn Ebwy
- Glyn Fach
- Glyn Malden
- Glyn-Cory
- Glyn-Gower
- Glyn-hir
- Glyn-moch
- Glyn-neath
- Glyn-nedd
- Glyn-teg
- Glynarthen
- Glyncoch
- Glyncoed
- Glyncoled
- Glyncorrwg
- Glyncymner
- Glyndyfrdwy
- Glynfach
- Glynllan
- Glynmorlas
- Glynogwr
- Glyntaff
- Glyntawe
- Glynteg
- Glyntrefnant
- Gnoll
- Godre'r-Graig
- Godreaman
- Goetre
- Goetre Hill
- Goetre-fawr
- Gogarth
- Goginan
- Goginan, Old
- Gogoyan
- Goitre
- Goitre Coed
- Golan
- Golch
- Gold Tops
- Goldcliff
- Golden Grove
- Golden Hill, Pembrokeshire
- Golfa, Wales
- Golfa, Powys
- Golftyn
- Golly
- Golynos
- Goodwick
- Goodwin's Town
- Goppa Hill
- Gore, Powys
- Gorn
- Gorof
- Goron-ddu
- Gors, Wales
- Gors, Isle of Anglesey
- Gors-goch
- Gorsedd
- Gorseinon
- Gorseinon Garden Village
- Gorsgoch
- Gorslas
- Gorslwyd
- Gosport (Carmarthenshire)
- Gourton
- Govilon
- Gowerton
- Goytre, Wales
- Goytre, Neath Port Talbot
- Graban, Llandeilo
- Grace Dieu, Parc
- Graianrhyd
- Graig, Wales
- Graig, Conwy
- Graig, Denbighshire
- Graig, Rhondda Cynon Taf
- Graig Capel
- Graig Cefn Parc
- Graig Darrenlas
- Graig Penllyn
- Graig Trewyddfa
- Graig-Fawr
- Graig-fechan
- Graig-lwyd
- Graig-Olway
- Graigfelen
- Graiglwyd Square
- Graigwen
- Grange, Upper
- Grangetown, Wales
- Grangetown, Lower
- Granston
- Gravel, Powys
- Great Hardwick
- Great Honeyborough
- Great Llyfos
- Great Oak
- Great Orme
- Great Panta
- Great Rudbaxton
- Great Trerew
- Great Weston
- Greatoak
- Green, Denbighshire
- Green, Pembrokeshire
- Green, Powys
- Green Grove
- Green Lane, Powys
- Green Plains
- Green, Little
- Green, Lower, Powys
- Green, The, Carmarthenshire
- Green, The, Pembrokeshire
- Green, The, Powys
- Green, Upper, Powys
- Greenfield, Wales
- Greenhill, Swansea
- Greenmeadow
- Grenfell Park
- Gresford
- Griffith, Melin
- Griffithstown
- Groes
- Groes Efa
- Groes Faen
- Groes Pluen
- Groes-Goch
- Groes-Lwyd
- Groes-Wen, Y
- Groes, Llan-ton-y
- Groesfford
- Groesfford-las
- Groesffordd
- Groesffordd Marli
- Groeslon
- Groeslwyd, Wales
- Groeslwyd, Gwynedd
- Groespluan
- Grofield
- Gron, Foel
- Gronant
- Grosmont, Wales
- Grove, Pembrokeshire
- Grovesend, Wales
- Gryn Goch
- Guilford
- Guilsfield
- Guinea, Pentre
- Gumfreston
- Gungrog
- Gungrog Fawr
- Gungrog-fechan
- Gurnos, Wales
- Gurnos, Neath Port Talbot
- Gurnos, Powys
- Gwaelod-y-garth
- Gwaelodygarth Road
- Gwaenysgor
- Gwaithla
- Gwalchmai
- Gwalchmai Isaf
- Gwalchmai Uchaf
- Gwarafog
- Gwastad
- Gwastadcoed
- Gwastadnant
- Gwaun-Cae-Gurwen
- Gwaun-gyd
- Gwaun-y-celyn
- Gwbert
- Gwbert on Sea
- Gwehelog Common
- Gwenddwr
- Gwent, Blaenau
- Gwern
- Gwern Estyn
- Gwern Hywel
- Gwern Pen-y-Nant
- Gwern-y-Cil
- Gwern-y-go
- Gwern-y-Steeple
- Gwernesney
- Gwernesni
- Gwernllwyn-Bach
- Gwernllwynchwyth
- Gwernogle
- Gwernydd
- Gwernymynydd
- Gwersyllt
- Gwesbyr
- Gwestydd
- Gwibnant
- Gwndy
- Gwredog
- Gwrhay
- Gwrhyd Mawr
- Gwyddelwern
- Gwyddgrug
- Gwyddon
- Gwyddrug
- Gwyn-Fynydd
- Gwyn, Plas
- Gwynant
- Gwynfe, Capel
- Gwynfryn
- Gwynfryn, Pentre
- Gwystre
- Gwytherin
- Gyfeillon
- Gyfelia
- Gyffin
- Gyrn Goch