Allt Pen-caerau-bâch (Topographic feature).
Grid Reference: SN 32051 23471. Parish: Trelech-a'r-Bettws, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Blaencaerau (Unclassified).
Grid Reference: SS 86549 94857. Parish: Llangynwyd Higher, Glamorgan
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Blaencaerau Farm (Unclassified).
Grid Reference: SS 86987 94761. Parish: Llangynwyd Higher, Glamorgan
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Blaencaerau Hotel (P.H.) (Unclassified).
Grid Reference: SS 86547 94807. Parish: Llangynwyd Higher, Glamorgan
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Blaencaerau Level (Unclassified).
Grid Reference: SS 87384 94990. Parish: Glyncorrwg, Glamorgan
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Bryn-caerau (Unclassified).
Grid Reference: SO 08891 04615. Parish: Merthyr Tydfil, Glamorgan
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Bryn-y-caerau (Settlement).
Grid Reference: SN 50828 01203. Parish: Llanelli Urban, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Buarth y Caerau (Unclassified).
Grid Reference: SO 07052 13608. Parish: Llanddetty, Brecknockshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Cae myna r caerau (Field).
Grid Reference: SH 63548 17623. Parish: Llanaber, Merionethshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Caerau (Unclassified).
Grid Reference: SH 63957 20461. Parish: Llanaber, Merionethshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website