The Welsh Language Commissioner has a unique responsibility to advise on the standard forms of Welsh place-names. These recommendations are published in the list of Standard Welsh Place-names on the Commissioner’s website. You can browse this list to get more information about how to pronounce the names and to see images of the places as a result of a partnership with Wikimedia.

The forms published in the Commissioner's list have been standardised by the Commissioner's Place-names Standardisation Panel. The Panel follows national standardisation guidelines in formulating its recommendations: Standardisation of Welsh Place-names.

You will notice that Welsh language names are given priority on this map. You will need to click on the blue dot next to the name in question to get more information about the name and to learn if there is an alternative form to be used in English.

The Commissioner has also developed an API for these names which may be of interest to developers. Please contact the Commissioner directly to discuss further.

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Attributes (22)

Attribute name Label Description
geom
cyhoeddi Publishing
ffurf_safonol Standard form
ffurf_safonol_arall Other standard form
ffurf_saesneg English form
math_cymraeg Welsh type
math_saesneg Type
awdurdod_lleol_cymraeg Welsh local authority
awdurdod_lleol_saesneg Local authority
cyfeirnod_grid Grid reference
dwyreiniad East
gogleddiad Northerly
cyfesurynnau Coordinates
cod_post Postcode
cyfeirnod_y_rhestr_o_enwau_lleoedd_hanesyddol Historical place names reference list
y_rhestr_o_enwau_lleoedd_hanesyddol List of Historic Place Names
os_open_names_id OS Open Name
clip_sain Sound clip
wicipedia_cymraeg Wikipedia Welsh
wikipedia_saesneg Wikipedia
llun Photo
wikidata_id Wikidata

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