Allt Ynys-Brechfa (Topographic feature).
Grid Reference: SN 53771 29749. Parish: Llanfynydd, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Brech bone Issa (Field).
Grid Reference: SJ 09236 03439. Parish: Llanfair Caereinion, Montgomeryshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Brech fa Homestead gardens and Yards (Field).
Grid Reference: SN 60218 60427. Parish: Llangeitho, Cardiganshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Brech gwaun Howell (Field).
Grid Reference: ST 17119 99000. Parish: Bedwellty, Monmouthshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Brecheinog (Other administrative area). Variant of head-name Breconshire / Breconshire
Grid Reference: SO 11103 32422. Parish: ,
When recorded: 1568. Primary Source: Cronica Walliae. Secondary Source: none

Brechfa (Unclassified).
Grid Reference: SN 09561 22157. Parish: Llanycefn, Pembrokeshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Brechfa (Settlement).
Grid Reference: SN 52546 30266. Parish: Llanfihangel Rhos-y-corn, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Brechfa (Civil Parish).
Grid Reference: SN 51276 29974. Parish: Llanegwad, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Brechfa (Unclassified).
Grid Reference: ST 32117 93331. Parish: Llanfrechfa Lower, Monmouthshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Brechfa Chapel (Field).
Grid Reference: SO 11762 37696. Parish: Llandefalle, Brecknockshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin