Seion is located in the county of Gwynedd, Wales, three miles south of the town of Menai Bridge, 50 miles west of the major town of Birkenhead, 125 miles north of Cardiff, 196 miles south of Edinburgh, and 206 miles north-west of London. Seion lies seven miles west of the Clwyd border, and was historically in the county of Carnarvonshire. Seion falls within the unitary authority of Gwynedd - Gwynedd. It is in the LL55 postcode district. The post town for Seion is Caernarfon.
Seion is in the ceremonial county of Gwynedd, the historic county of Carnarvonshire, and the administrative county of Gwynedd - Gwynedd.
Ceremonial County | Gwynedd |
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Historic County | Carnarvonshire |
Administrative County | Gwynedd - Gwynedd |
Seion is situated towards the northernmost extremity of Gwynedd, and roughly centrally between the easternmost and westernmost extremities of Gwynedd.
The nearest postcode to the centre of Seion is LL55 3AG.
Seion is situated towards the northernmost extremity of the LL55 postcode district, and roughly centrally between the easternmost and westernmost extremities of the LL55 postcode district.
The post town for Seion is Caernarfon. Seion is in the LL55 postcode district, which corresponds to the post town of Caernarfon.
The centre of Seion is located at position 53.1821° latitude and -4.17311° longitude.
Latitude | 53.1821° |
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Longitude | -4.17311° |
The centre of Seion is located at the grid reference easting 254879 and northing 367205 within the British National Grid (OSGB36) system.
Easting | 254879 |
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Northing | 367205 |
Position of Seion relative to nearby towns. Distance is measured from the centre of Seion to the centre of the town.
Position of Seion relative to nearby cities. Distance is measured from the centre of Seion to the centre of the city.