| DRYSLWYN | ? Castle, fortress in Carmarthenshire besieged in 1287 (8) |
| FOTHERINGHAY | ? Castle, fortress in Northamptonshire where Mary, Queen of Scots was executed in 1587 (12) |
| LLANELLI | Largest town in Carmarthenshire nicknamed Tinopolis in the late 19th century (8) |
| KIDWELLY | Town in Carmarthenshire, Wales, west of Llanelli housing a Norman castle |
| ACAPULCO | Port city in Mexico, besieged in April 1854 by Antonio Lopez de Santa Anna (8) |
| MAFEKING | British military outpost besieged in Boer War (8) |
| CORGARFF | ? Castle, medieval tower house in Aberdeenshire built in the mid-16th century |
| STORMONT | ? Castle, Belfast meeting place of the Northern Ireland Executive (8) |
| FFOSLAS | Horse racecourse in Carmarthenshire, Wales, that opened in 2009 (4,3) |
| WINCHELSEA | Town southwest of Rye, East Sussex, rebuilt after destruction in 1287 by flooding |
| HEN | Female pike - in Carmarthenshire (3) |
| LLANDOVERY | Market town in Carmarthenshire, Wales, on the River Tywi |
| THEN | In Carmarthenshire after that |
| ALMEIDA | Castle fortress town in Portugal near the Spain border |
| ESCARPMENT | Face panic in hospital department that's besieged in the afternoon (10) |
| ALAMO | Mission in San Antonio, Texas besieged in 1836 (5) |
| ASHBY | ___-de-la-Zouch, Leicestershire town besieged in 1646 (5) |
| LADYSMITH | South African town besieged in the Boer War (9) |
| DUNNOTTAR | ? Castle, ruined medieval fortress in Aberdeenshire, Scotland, south of Stonehaven |
| KEEP | Castle fortress |