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Clegir Mawr is a Site of Special Scientific Interest (SSSI) in the community of Cylch-y-Garn in the north-west of the island of Anglesey, Wales. It is a stony coastal headland with an area just under 10 hectares (25 acres) and has been designated principally because of the occurrence of the spotted rock-rose (Tuberaria guttata) which is a nationally rare plant and also the county flower of Anglesey.

Church Bay (Welsh: Porth Swtan) is a settlement on the north-west coast of Anglesey, Wales, United Kingdom, about a mile and a half north-west of the village of Llanfaethlu. The bay shores are rocky but there is also a sandy beach which is popular with visitors. There are a handful of houses near the beach. The Anglesey Coastal Path runs along the cliff tops. There are records of the Swttan settlement going back to the reign of King Henry VIII, but there has probably been a settlement there for many centuries before this. Most of the properties are holiday homes for rent. Amenities include a cafe and a small museum based in a preserved 17th-century thatched cottage. This cottage's position could indicate that there has been a dwelling on this site since Neolithic times. The cottage won the Rural Wales Award from the Campaign for the Protection of Rural Wales (CPRW) in 2003.There is also a ruined windmill, Melin Drylliau (Caerau Mill), first recorded in 1840 and destroyed in a fire in 1914. It was built and owned by the Williams family who owned a number of mills across the island. The nearby sandy beach is named Porth Swtan (Port Whiting). The 61 bus route from Holyhead to Amlwch stops infrequently in the area.

The Holyhead Breakwater Lighthouse stands on the Holyhead Breakwater outside the Welsh port of Holyhead, Anglesey.

Carreglwyd is a Georgian country house, northwest of Llanfaethlu, Anglesey, Wales, which became a Grade II* listed building in 1952. Its gardens and parkland are listed as Grade II* on the Cadw/ICOMOS Register of Parks and Gardens of Special Historic Interest in Wales.The earliest mention of the estate is in 1544, when William Griffiths, the Rector of Llanfaethlu, whose ancestors were the Griffiths family of Penrhyn, bought a house named "Ty'n y Pant". His grandson, the Chancellor William Griffiths, oversaw the building of a new house on the site in 1634. Another William Griffiths, the Chancellor's grandson, made further alterations in the late 17th century and early 18th century, the oldest of which remains in the southwest side of the house. The fine hall of the house dates to this period. During the ownership of Holland Griffiths (1756-1839) in the late 18th and early 19th century, further remodelling of the estate was conducted, during which time the dining room, sitting room and library were given a major renovation. The interior was updated in the 1980s.

Rhydwyn (; Rhyd-Wyn) is a village in the community of Cylch-y-Garn, in the north west of Anglesey, Wales. Rhydwyn is named after a little stream that once crossed the centre of the village. "Rhyd" meaning Ford and "Wyn" white. It now runs through a culvert under the road.

Menai Bach is a Grade II listed building in Rhydwyn, rural north west Anglesey, Wales. It is a C19 terraced house. A date stone offset to the left of the doorway to an adjacent house reads AD 1869.

Holyhead Breakwater is situated at the north-western end of Holyhead in Anglesey in North Wales. The Victorian structure, which is 1.7 miles (2.7 km) long, is the longest breakwater in the United Kingdom. The breakwater, which is accessible in good weather, has a promenade on top which leads out to the Holyhead Breakwater Lighthouse.

Llanfaethlu is a village and community in the north west of Anglesey, in north-west Wales. The community population taken at the 2011 Census was 553. The village takes its name from the Church of Saint Maethlu. The community includes Llanfwrog.

St Maethlu's Church is a medieval church in the village of Llanfaethlu, Anglesey, Wales. It is one of a number of churches in the parish and benefice of Bro Padrig, the appointed clergyman being the Reverend T. J. Jones. The building dates from the 15th century and underwent renovations in the early twentieth century. It was designated a Grade II*-listed building on 4 May 1971.

Salt Island (Welsh: Ynys yr Halen) is joined to Holy Island, Anglesey, in North Wales. It is a natural provider of shelter for the town's Old Harbour from the Irish Sea and is part of the Port of Holyhead.