Acar Saesoneg (Field).
Grid Reference: SH 98389 80042. Parish: Abergele Urban, Denbighshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Afon Rhiw Saeson (Unclassified).
Grid Reference: SH 90011 04955. Parish: Llanbrynmair, Montgomeryshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Afon Rhiw Saeson (Unclassified).
Grid Reference: SH 90113 03376. Parish: Llanbrynmair, Montgomeryshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Allt y Saeson (Topographic feature).
Grid Reference: SN 68998 25822. Parish: Llangadog, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Banc-Saeson (Unclassified).
Grid Reference: SN 16916 17018. Parish: Llanddewi Velfrey, Pembrokeshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Banc-Saeson Wood (Unclassified).
Grid Reference: SN 16854 16916. Parish: Llanddewi Velfrey, Pembrokeshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Blaen-pant-Saeson FP (Unclassified).
Grid Reference: SN 19276 33446. Parish: Penrhydd, Pembrokeshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Bryn-saeson (Unclassified).
Grid Reference: SJ 18431 61282. Parish: Llanferres, Denbighshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Bryn-Saeson (Settlement).
Grid Reference: SN 45306 34051. Parish: Llanfihangel-ar-arth, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Bryn-y-Saeson (Unclassified).
Grid Reference: SJ 18036 61267. Parish: Llanferres, Denbighshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website