Welsh place names in other countries

This is a list of place-names in countries outside of Wales which are named after places in Wales, or derived from the Welsh language, or are known to be named after a Welsh person.

Argentina

Chubut
- Dolavon - from Dolafon, the Welsh for 'meadow by the river'.
- Puerto Madryn - named after the Welsh estate of Sir Love Jones-Parry.
- Trelew - named after Welsh settler Lewis Jones.
- Trevelin - from Trefelin, the Welsh for 'Mill Town'.

Australia

New South Wales - Captain James Cook originally called it 'New Wales', later adding the 'South'.
- Aberdare
- Aberglasslyn - likely corruption of Aberglaslyn
- Abermain
- Allynbrook - from River Alyn
- Bangor - named after the birthplace of the landowner.
- Cardiff - name suggested by a Welsh settler in 1889.
- Llanarth - suburb of Bathurst, from Llanarth
- Llandilo
- Llangothlin - anglicisation of Llangollen
- Swansea - a coal mining community.
Queensland
- Carnarvon Gorge
- Ebbw Vale
- Merthyr
- Llanarth
Tasmania
- Abergavenny
- Beaumaris named after Beaumaris
- Swansea - settled by people from Pembrokeshire, Wales
Victoria
- Anglesea - corruption of Anglesey
- Llanelly - either from Llanelly or Llanelli
- Welshpool
Western Australia
- Carnarvon - named after Henry Herbert, 4th Earl of Carnarvon; anglicisation of Caernarfon
- Welshpool
- Perth [Brythonic/Pictish/Old Welsh from the Scottish City of Perth]

Canada

Alberta
- Berwyn
- Caernarvon
- Cardiff - a hamlet near Alberta's first coal mine.
Ontario
- Bala - It is considered one of the hubs of cottage country located north of Toronto.
- Cardiff - a small mining community.
- Pontypool - unincorporated village, used as the setting for a movie of the same name

England

Herefordshire: Numerous villages, parishes and farms in the Archenfield region adjacent to Wales, including:
- Bagwyllydiart
- Ewyas Harold
- Llangarron
- Llanveynoe
- Maes-coed
- Pontrilas
Shropshire: Numerous villages, parishes and farms, notably in the Oswestry area adjacent to Wales, including:

Worcestershire:
- Malvern
- Pensax

Jamaica

Welsh settlers arrived on the island, most notably the infamous Welsh governor, Henry Morgan, and influenced placenames.

Bangor Ridge (Portland)
Llandilo (Westmoreland)
Llandovery (St Ann)
Llandewey (St Thomas)

Nepal

Western Cwm - a glacial valley on the face of Mount Everest (cwm is Welsh for 'valley')

New Zealand

North Island
- Brynderwyn Range
- Cardiff
South Island
- Bryndwr (Christchurch)
- Milford Sound

South Africa

Llandudno, Cape Town

United States

Alabama
- Bangor
- Cardiff
- Powell
Arizona
- Swansea - a former copper mining town.
California
- Bryn Mawr
- Cardiff-by-the-Sea
- Swansea - a former mining town.
Illinois
- Bryn Mawr
- Cardiff - formerly a coal mining town
- Swansea
Kansas
- Powell Observatory in Wea Township, Miami County
Kentucky
- Owensboro - named for Abraham Owen.
Maine
- Bangor
- Pembroke
Maryland
- Berwyn Heights
- Cardiff - formerly a slate mining town
Massachusetts
- Pembroke
- Swansea
Michigan
- Howell
- Howell Township, Livingston
Minnesota
- Bryn Mawr
Missouri
- Howell
- Howell County
- Powell, Cass County
- Powell Gardens in Kingsville
- Powell Hall, St. Louis
- Powell, McDonald County
Nebraska
- Powell
New Jersey
- Howell Township, Monmouth County
- Monmouth County
New York
- Bangor
- Pembroke
Ohio
- Powell
Pennsylvania See Welsh tract for more information
- Bala Cynwyd
- Bangor - the first Chief Burgess an emigrant from Wales.
- Berwyn
- Bryn Athyn
- Bryn Mawr - founded by Welsh Quakers.
- Caernarvon Township
- Upper Gwynedd and Lower Gwynedd Townships.
- Haverford
- Montgomery County
- Narberth
- Nanty Glo - from the Welsh nant y glo, stream of coal.
- North Wales
- Radnor Township
- Tredyffrin Township
South Carolina
- Swansea
South Dakota
- Powell, Edmunds County
- Powell, Haakon County
Tennessee
- Cardiff - an iron and coal mining town
- Powell
Texas
- Powell
Utah
- Howell
- Lake Powell on the border between San Juan & Kane counties
Wisconsin
- Powell
Wyoming
- Powell