This map gives an approximate indication of the boundaries of the larger cantrefs (cantrefi ) of Wales, as listed by Gruffudd Hiraethog (d.1564) in NLW Peniarth MS.147.

Mapping the Historic Boundaries of Wales: Commotes and Cantrefs

Understanding the historic administrative boundaries of Wales and how they have changed over time is integral to our understanding of the Welsh landscape. The Royal Commission has developed two digital geospatial layers using late-medieval sources and historic parish boundaries to recreate the boundaries of the commotes (cymydau) and cantrefs (cantrefi) of medieval Wales.

Historic Boundaries of Wales

Future developments will examine how these boundaries have changed over time and map them in further detail. These digital resources will be made freely available to the public as an aid to encouraging research.

This data will be an important addition to our on-line services, particularly the List of Historic Place Names of Wales and The Inventory of Historic Battlefield in Wales.

Commotes of Wales

This map gives an approximate indication of the boundaries of the smaller commotes (cymydau) of Wales, as listed by Gruffudd Hiraethog (d.1564) in NLW Peniarth MS.147.
This map gives an approximate indication of the boundaries of the smaller commotes
(cymydau) of Wales, as listed by Gruffudd Hiraethog (d.1564) in NLW Peniarth MS.147.

Cantrefs of Wales

This map gives an approximate indication of the boundaries of the larger cantrefs (cantrefi ) of Wales, as listed by Gruffudd Hiraethog (d.1564) in NLW Peniarth MS.147.
This map gives an approximate indication of the boundaries of the larger cantrefs
(cantrefi ) of Wales, as listed by Gruffudd Hiraethog (d.1564) in NLW Peniarth MS.147.

05/18/2017

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Peter Cross
Peter Cross
29 days ago

These maps are really great but I would really like to have a look at what Pen. 147 says.

I’ve not been able to find a transcription of Pen. 147 – has a transcription of the Cantrefi a Chymydau text ever been published, or are there page images available anywhere?

If anyone on the project would be able to point me in the right direction, I’d be extremely grateful. Diolch.

Last edited 29 days ago by Peter Cross
Scott Lloyd
Scott Lloyd
29 days ago
Reply to  Peter Cross

Hi Peter, Thank you for your comment. Here is a link to the transcription of the relevant section of Peniarth 147, the source we used in the datasets https://babel.hathitrust.org/cgi/pt?id=uc1.c026025176&view=1up&seq=967&skin=2021 The datasets were the first attempt to try and create a digital layer of these medieval boundaries and should be considered as a useful draft version, as we have a long way to go fully work this out. It is not a straightforward task. The current historic parish boundary layer needs revision and we need to better understand boundary changes over time. There is not as yet a comprehensive boundary layer… Read more »

Tom Pert
5 months ago
Charles Mathieson
Charles Mathieson
1 month ago
Reply to  Tom Pert

Have downloaded but what sort of software do I need to open it?

Tom Pert
Admin
1 month ago

Hi Charles, you’ll need some form of GIS software. There are lots of free options available, such as QGIS. Here’s a list of various options: https://gisgeography.com/free-gis-software/

Charles Mathieson
Charles Mathieson
1 year ago

This seems to have all gone quiet about 3 years ago. Is the project still running? Is anyone there to read this?

Andy Mabbett
4 years ago

“freely available” is vague. Please can you clarify the licence that will apply to the data, and to your images?

The current page, for example, is labelled “Non-commercial Government Licence” – that does not not meet the definition of an “open licence”.

Tom Pert
Admin
4 years ago
Reply to  Andy Mabbett

Hi Andy, we hope to make this data available under an Open Government Licence (http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/) which is different to the Non-commercial Government Licence that applies to the content and images on this website.

Marc
Marc
4 years ago

Seriously guy’s really appreciate this, awesome work

vivienne Kincaid
vivienne Kincaid
4 years ago

It would make the project more interesting if there was a modern-day overlay that would show people the history of where they live 🙂 I am sure this is possible 🙂

Marc
Marc
4 years ago

I was thinking exactly the same thing

Gwyn Hughes
Gwyn Hughes
4 years ago

Very interesting, but you need to improve the resolution to magnify

Paul Tubb
4 years ago
Reply to  Charles Green

I’d be very interested in seeing these maps overlaid on a topographical map. Will these be available as ESRI compatible files?

Tom Pert
Admin
4 years ago
Reply to  Paul Tubb

Hi Paul, we will be enhancing the metadata for this layer over the next month and hope to make it available as a Web Feature Service for use within GIS.

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