placename
Dyffryn1type: Settlement
local authority: Neath Port Talbot
grid reference: SS8395
placename
Dyffryn2type: Settlement
local authority: Newport
grid reference: ST2985
placename
Dyffryn3type: Settlement
local authority: Gwynedd
grid reference: SH5823
placename
Dyffryn4type: Settlement
local authority: Pembrokeshire
grid reference: SM9437
placename
Dyffryn5type: Area
local authority: Merthyr Tydfil
grid reference: SO0603
placename
Dyffryn6type: Settlement
local authority: Bridgend
grid reference: SS851937
placename
Dyffryn Ardudwytype: Settlement
local authority: Gwynedd
grid reference: SH5823
placename
Dyffryn Cellwentype: Settlement
local authority: Neath Port Talbot
grid reference: SN8510
placename
Dyffryn Clydachtype: Community
local authority: Neath Port Talbot
grid reference: SS7299
© Welsh Language Commissioner (2018)
This list is licensed under the Open Government Licence 3.0 except where otherwise stated. Contains OS data © Crown copyright and database right 2018.
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