Halkyn Common and Holywell Grasslands

Rhes-y-cae is a small parish and village in Flintshire, Wales. Literally translated from Welsh, Rhes-y-cae is 'Row of fields'. It is situated between Pentre Halkyn and Rhosesmor and is part of the local government community of Halkyn. Local facilities include a chapel, a church and a park, which is situated next to Ysgol Rhes-y-cae. The school closed in 2013, due to there being too few students to warrant its continued operation. The parish was consecrated on 27 June 1847.The village shop has shut down, the bakery has closed to the public, and Rhes-y-cae pub, The Miners Arms, closed in 2014.Every summer the Rhes-y-cae Show takes place, featuring dog racing and show jumping. Around 600 people attend each year.

Pentre Halkyn (Welsh: Pentre Helygain) is a small village in Flintshire, Wales. It is situated approximately two miles from Holywell, and is off Junction 32 of the A55 North Wales Expressway. It has a quarry, a small hotel, and a local shop. The village borders on the Halkyn Mountain Site of Special Scientific Interest and Special Area of Conservation.

The Church of St Mary the Virgin, Halkyn is to the north of the village of Halkyn, Flintshire, Wales. It is an active Anglican parish church in the diocese of St Asaph. The church is designated by Cadw as a Grade I listed building.

Halkyn Castle (Welsh: Castell Helygain) is a mansion house in the village of Halkyn, Flintshire, Wales. The house, with its associated stable block, is designated by Cadw as a Grade II* listed building.

Cilcain Hall is a country house 2 miles (3 km) north-northeast of the village of Cilcain, Flintshire, Wales (grid reference SJ185683). It was built in 1875–77 for W. B. Buddicom and designed by the Chester architect John Douglas. The hall is built in stone and has a red tile roof. Its architecture includes Elizabethan elements. Douglas also designed an entrance lodge which was built around the same time on the main road. The lodge is no longer present.

Halkyn (Welsh: Helygain [heˈləgain]; Flintshire Welsh: Lygian [ˈləgjan]) is a village and community in Flintshire, north-east Wales and situated between Pentre Halkyn, Northop and Rhosesmor. At the 2001 Census the population of the community was 2,876, increasing slightly to 2,879 at the 2011 Census. Pentre Halkyn is in the community.

Delyn is a constituency represented in the House of Commons of the UK Parliament since 2019 by Rob Roberts, who was elected as a Conservative, but currently sits as an Independent following sexual harassment allegations.The Delyn Senedd constituency was created with the same boundaries in 1999 (as an Assembly constituency). The constituency is set to be abolished, as part of the 2023 Periodic Review of Westminster constituencies and under the June 2023 final recommendations of the Boundary Commission for Wales for the next United Kingdom general election. Its wards is to be split between Alyn and Deeside, and Clwyd East.

Delyn is a constituency of the Senedd. It elects one Member of the Senedd by the first past the post method of election. Also, however, it is one of nine constituencies in the North Wales electoral region, which elects four additional members, in addition to nine constituency members, to produce a degree of proportional representation for the region as a whole.

Moel y Gaer (Welsh for "bald hill of the fortress") is an Iron Age hillfort located on a summit at the southern end of Halkyn Mountain, overlooking the village of Rhosesmor, Flintshire, Wales. It is a well-preserved hillfort overlooking the Dee Estuary. Excavations in the early 1970s revealed a sequence of defensive structures made of timber and several phases of building work inside the ramparts.

Calcoed is a small village in Flintshire, Wales. It is located to the south west of the town of Holywell, to the north west of the village of Brynford and near the A55 road (North Wales Expressway). It contains the Cynfaen Memorial Methodist Chapel and several houses.

Lluesty Hospital (Welsh: Ysbyty Lluesty) was a community hospital in Holywell, Flintshire, Wales. It was managed by the Betsi Cadwaladr University Health Board.

Holywell Workhouse Chapel was built in association with Holywell Workhouse in Old Chester Road, Holywell, Flintshire, Wales (grid reference SJ189750). It was built, together with some "vagrants' wards" for the workhouse, in 1883–84 to a design by the Chester architect John Douglas.The chapel is built in stone with a slate roof and has a shingled flèche. The workhouse later became Lluesty Hospital. The chapel is designated by Cadw as Grade II listed building.