Wales
W
- Waen, Wales
- Waen, Flintshire
- Waen, Powys
- Waen, Gwynedd
- Waen Aberwheeler
- Waen Dwysog
- Waen Farm
- Waen Goleugoed
- Waen y Pandy
- Waen-Pentir
- Waen-trochwaed
- Waen-wen, Gwynedd
- Waen-Wen, Wales
- Wainfelin
- Wal-wen
- Wallaston
- Wallington, Wrexham
- Wallis
- Wallog
- Wallston
- Walson
- Walterston
- Walton, Powys
- Walton East
- Walton Green
- Walton West
- Walwen
- Walwyn's Castle
- Warden, Powys
- Warle
- Warren, Pembrokeshire
- Warren Bank
- Warren Hall
- Warren, The, Wales
- Water Street
- Waterloo, Carmarthenshire
- Waterloo, Pembrokeshire
- Waterloo, Powys
- Waterloo, Powys Powys
- Waterloo, Torfaen
- Waterloo Port
- Waterston
- Waterton
- Watford Park
- Wathen, Robeston
- Wattstown
- Wattsville
- Waun, Wales
- Waun, Powys
- Waun Baglam
- Waun Ebbw
- Waun Fawr
- Waun Goch
- Waun Lwyd
- Waun Wen
- Waun y Clyn
- Waun-fawr, Coed
- Waun-gilwen
- Waun-Gron
- Waun-Wen
- Waun-Wrla
- Waun-y-beddau
- Waunarlwydd
- Waunclunda
- Waundeg
- Waunfawr
- Waungron
- Waunifor
- Waunllapria
- Wayne Green
- Wdig
- Wellington, Gwynedd
- Wells, Maiden
- Wells, Ringly
- Welsh Hook
- Welsh Newton
- Welsh Newton Common
- Welsh St Donats
- Welshpool
- Wenallt, Wales
- Wenallt, Gwynedd
- Wenallt, Powys
- Wenallt, Twyn
- Wentlooge, Peterstone
- Wentlooge, St. Brides
- Wenvoe
- Wepre
- Wern, Wales
- Wern, Flintshire
- Wern, Powys
- Wern Claedrgoed
- Wern scadog
- Wern Tarw
- Wern y Wylan
- Wern-Gerhynt
- Wern-olau
- Wern-y-cwrt
- Wern-y-gaer
- Wern, The
- Wernbwll
- Wernffrwd
- Wernffrwdd
- Werngifford
- Wernrheolydd
- West Aberthaw
- West Bank, Blaenau Gwent
- West Cross, Swansea
- West End, Caerphilly
- West End, Denbighshire
- West End, Gwynedd
- West End, Gwynedd Gwynedd
- West End Town
- West Fedw
- West Moors, Cardiff
- West Pontnewydd
- West Popton
- West Town, Swansea
- West Village
- West Williamston
- Western Slade
- Westernmoor Road
- Weston, Pembrokeshire
- Weston Madoc
- Weston Rhyn
- Weston, Great
- Westra
- Weythel
- Whalecombe
- Whelston
- Whitchurch (Cardiff)
- Whitchurch (Pembrokeshire)
- Whitcot
- White Grit
- White Hopton
- White Mill
- Whitebrook
- Whitegrit
- Whitehall Gardens
- Whitelye
- Whiterock, Wales
- Whitesands Bay
- Whitewall Common
- Whitewell, Wrexham
- Whitford, Flintshire
- Whitland
- Whitson
- Whitworth Terrace
- Wick, Vale of Glamorgan
- Wig, Wales
- Wig, Powys
- Wig-Fach
- Wigfair (Wigfair Isa)
- Wilcrick
- Wild Mill
- Williamston
- Williamston, West
- Williamstown, Wales
- Williamstown, Rhondda Cynon Taf
- Willington, Wrexham
- Willowford, The
- Willowtown
- Winch Fawr
- Winchestown
- Windmill, Flintshire
- Windy Hill
- Winllan, Wales
- Winllan, Powys
- Winnington Green
- Winsbury
- Winsh-wen
- Winshwen
- Wintles, The
- Wiston, Pembrokeshire
- Withybush
- Wolf's Castle
- Wolfsdale
- Wolvesnewton
- Womaston
- Wonastow
- Wood, Pembrokeshire
- Woodcroft
- Wooden
- Woodfield Park
- Woodfieldside
- Woodland Park
- Woodside, Pembrokeshire
- Woodstock, Pembrokeshire
- Worms Head
- Worthenbury
- Wotherton
- Wrecsam
- Wrexham
- Wyegate Green
- Wyesham
- Wylfa
- Wyllie
- Wyndham
- Wynt, Graig Adwy