'''Henllys''' could refer to a number of places in Wales.

*Henllys, Carmarthenshire a hamlet on the west bank of the River Tywi in the parish of Cilycwm *Henllys, Ceredigion a township in the parish of Llanfihangel Genau'r Glyn or Llandre *Henllys, Conwy a small place to the west of Llanfair Talhaiarn *Henllys, Gwynedd a hamlet near Llanbedrog *Henllys, Monmouthshire in the parish of Tregare *Henllys, Pembrokeshire in the parish of Nevern (including Castell Henllys) *Henllys, Powys a small place near the parish of Manafon to the south of Llanfair Caereinion *Henllys, Swansea a small place to the west of Llanddewi *Henllys, Torfaen formerly a village and parish historically in, which became a suburb and community of the new town of Cwmbran in the 1980s *Henllys Vale, a hamlet just to the south of Cwmbran in Torfaen *Henllys-fawr, a small place to the north of Aberffraw on the Isle of Anglesey

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