The B5101 road is a B road, connecting the west of Wrexham

Wrexham

Wrexham is a town in Wales. It is the administrative centre of the wider Wrexham County Borough, and the largest town in North Wales, located in the east of the region. It is situated between the Welsh mountains and the lower Dee Valley close to the border with Cheshire, England...

, north Wales to the A5104 road to the east of Treuddyn

Treuddyn

Treuddyn is a small village and community in Flintshire, Wales, located just off the A5104 road, around 4 miles south-east of Mold and 3 miles north-west of Caergwrle. The community includes the nearby village of Coed Talon, to the east, and Rhydtalog, to the south-west on the Denbighshire border...

 in Flintshire

Flintshire

Flintshire is a county in north-east Wales. It borders Denbighshire, Wrexham and the English county of Cheshire. It is named after the historic county of Flintshire, which had notably different borders...

. The road initially begins in northern central Wrexham off the B5425 road at 53°3′17.5"N 2°59′57"W. It is initially known as Stansty Road, then Plas Coch Road as it forks around to the south and then it is known as Berse Road from the point it intersects with the A541 road

A541 road

The A541 is an A road in North Wales. The road starts on the A525 in Trefnant, between St Asaph and Denbigh, and ends in Wrexham. On the way it passes the town of Mold. It also passes through many villages. In northern-central Wrexham it joins the B5101 road....

 (Mold Road). It then passes under the A483 road

A483 road

The A483 is a major road in the United Kingdom, running from Swansea in Wales to Chester in England, although the official title is the Swansea to Manchester Trunk Road.-Swansea:...

 from east to west at 53°3′4"N 3°0′50"W and then it passes through the village of Caego

Caego

Caego is a small village in Wrexham county borough, Wales, immediately to the west of the town of Wrexham in the community of Broughton. It is contiguous with the neighbouring larger village of New Broughton; the main road passing through the centre of the village is the B5101...

. From Southsea the road mostly travels north-south through Brymbo

Brymbo

Brymbo is a local government community, the lowest tier of local government, part of Wrexham County Borough in Wales. It is a village situated in the hilly country to the west of Wrexham town, largely surrounded by farmland....

, Ffrith

Ffrith

Ffrith is a small village in the community of Llanfynydd in Flintshire, north-east Wales.-Name:The name Ffrith reflects a spelling and pronunciation particular to Flintshire: it is derived from a North Welsh word meaning variously a "pasture", "enclosure" or "forest" and borrowed originally from...

, and Llanfynydd

Llanfynydd, Flintshire

Llanfynydd is a village and local government community in Flintshire, north Wales. Its name is derived from the Welsh words llan, "church" or "parish", and mynydd, "mountain"....

and finally reaches the A5104 road east of Treuddyn at 53°6′51"N 3°6′23"W.