Skip to main content
Home
Contact Us
News
Change website language
Cymraeg
English
Search
Search
Close Search Modal
Toggle Search Form
Toggle menu
About us
Expand About us
Back
View About us
Our vision and our work
Expand Our vision and our work
Back
View Our vision and our work
The Welsh Language Commissioner’s Strategic Plan 2025–2030
2025-26 Annual Report
Governance
Expand Governance
Back
View Governance
The Welsh Language Commissioner's Leadership Team
Audit and Risk Committee
Advisory Panel
Policies and Corporate Documents
The Welsh Language Commissioner's Newsletters
News
Work for us
Using the Welsh language
Expand Using the Welsh language
Back
View Using the Welsh language
Public organisations
Expand Public organisations
Back
View Public organisations
Promoting the Services of Public Organisations
Businesses and Charities (Cynnig Cymraeg)
Expand Businesses and Charities (Cynnig Cymraeg)
Back
View Businesses and Charities (Cynnig Cymraeg)
Banking and supermarket services available in Welsh
Organisations with the Cynnig Cymraeg
Report difficulty in using the Welsh language
Expand Report difficulty in using the Welsh language
Back
View Report difficulty in using the Welsh language
Complaints Form
Complaints and investigation procedure: Welsh language standards
Complaints and investigation procedure: Welsh language schemes
Freedom to use Welsh
Raise a concern
Legal assistance
'Defnyddia dy Gymraeg' campaign
Expand 'Defnyddia dy Gymraeg' campaign
Back
View 'Defnyddia dy Gymraeg' campaign
'Defnyddia dy Gymraeg' form
Iaith Gwaith
Education Pack
Regulation
Expand Regulation
Back
View Regulation
Welsh language standards
Expand Welsh language standards
Back
View Welsh language standards
The imposition process
Challenge and appeal
The Welsh Language Tribunal
Welsh language schemes
Compliance Notices
Promoting Compliance
Expand Promoting Compliance
Back
View Promoting Compliance
Performance reports
Artificial Intelligence and the Welsh language: The Welsh Language Commissioner's Regulatory Policy Statement
Thematic Reports
Regulatory Outcomes
Enforcement policy
Expand Enforcement policy
Back
View Enforcement policy
Register of enforcement action
Resource hub
Expand Resource hub
Back
View Resource hub
Businesses and Charities
Expand Businesses and Charities
Back
View Businesses and Charities
Cynnig Cymraeg
Research
Guidance
Training
Sport Resources
Public organisations
Expand Public organisations
Back
View Public organisations
Support Pack for Language Officers
Monitoring Compliance
Codes of practice
Promoting the use of the Welsh language
Policy decisions
Delivering Services in Welsh
Significant investigations
The Workplace
Expand The Workplace
Back
View The Workplace
Skills assessment and development
Job categorisation and advertising
Increasing the use of the Welsh language
Internal Use of Welsh Policy Models
Theory of Change
Translation
Policy and research
Expand Policy and research
Back
View Policy and research
Our policy opinions
The position of the Welsh language
Expand The position of the Welsh language
Back
View The position of the Welsh language
Our time to act: The position of the Welsh Language 2021–25
2021 Census
Data dashboard: Who speaks Welsh in Wales?
Standard Welsh Place-names
Expand Standard Welsh Place-names
Back
View Standard Welsh Place-names
Standardisation of Welsh place-names
Technical guidance
International place-names
Standardisation projects
International work
Publications
Standard Welsh Place-names
Llanddeti
Standard form
Llanddeti
English form
Llanddeti
Type
Area
Grid reference
SO1220
Local authority
Powys
Notes
Discover more
Wikipedia
Wikidata
List of Historic Place Names
