Acar of Caeny drws (Field).
Grid Reference: SH 98954 80225. Parish: Abergele Urban, Denbighshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Acre drws (Field).
Grid Reference: SH 91221 75730. Parish: Betws-yn-Rhos, Denbighshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Afon Drws-y-coed (Unclassified).
Grid Reference: SH 54076 53516. Parish: Llandwrog, Caernarfonshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Allt Hafod-tridrws (Topographic feature).
Grid Reference: SN 51981 34536. Parish: Llanfihangel Rhos-y-corn, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Ardd oflaen drws (Field).
Grid Reference: SJ 23465 31135. Parish: Llansilin, Denbighshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Banc oflaen y drws (Field).
Grid Reference: SH 68862 36055. Parish: Trawsfynydd, Merionethshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Bank and Blaenydrws (Field).
Grid Reference: SN 65135 59979. Parish: Llanbadarn Odwyn, Cardiganshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Bettws Bledrws (Settlement). Variant of head-name BETTWS BLEDDRWS / BETTWS BLEDDRWS
Grid Reference: SN 59585 52001. Parish: Llangybi, Cardiganshire
When recorded: 1699. Primary Source: Parochialia 3. Secondary Source: none

Bettws-Bledrws (Unclassified).
Grid Reference: SN 59660 52031. Parish: Llangybi, Cardiganshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

BETTWS-BLEDRWS (Civil Parish).
Grid Reference: SN 57593 53036. Parish: Llangybi, Cardiganshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website