The Warden of Westmarch was a hereditary title in the Shire granted to the keepers of the Westmarch by Peregrin Took, the thirty-second Thain of the Shire in SR 1462. The Wardens dwelt at Under-towers in the Tower Hills.
The Wardens held the famous Red Book and were all members of the Fairbairn family (or the Fairbairns of the Towers) of which Fastred of Greenholm was the first.
Translations[]
| Foreign Language | Translated name |
| Belarusian Cyrillic | Ахоўнік Вестмарча |
| Catalan | Guardià de Frontera de l'Oest |
| Czech | Strážce Západní hranice |
| Dutch | Bewaker van Westmark |
| Estonian | Läänepiir valvur |
| Finnish | Länsikairan vartija |
| French | Gardien de Marche de l'Ouest |
| Galician | Alcaide de Fronteira Occidental |
| German | Verweser der Westmark |
| Gujarati | પશ્ચિમ સરહદ વોર્ડન |
| Hebrew | מושל שפלת המערב |
| Icelandic | Vestur landamæri varðstjóri |
| Indonesian | Perbatasan barat Penjaga |
| Irish Gaelic | Teorainn an Iarthair Maor |
| Italian | Guardiano della Marca Occidentale |
| Japanese | 西部国境 管理者 |
| Kannada | ಪಶ್ಚಿಮ ಗಡಿ ವಾರ್ಡನ್ |
| Korean | 서부 국경 파수꾼 |
| Latvian | Rietumu robeža sargs |
| Lithuanian | Vakarų siena prižiūrėtojas |
| Macedonian Cyrillic | Западна граница надгледувач |
| Marathi | पश्चिम सीमा वॉर्डन |
| Norwegian | Vestgrensen vaktmester |
| Occitan | Guardián de la Marca Occidentala |
| Polish | Strażnikiem Marchii Zachodniej |
| Portuguese | Vigilante de Fronteira Ocidental |
| Russian | Стражем Западного Кром |
| Sardinian | Custode de sa Marca Otzidentale |
| Serbian | Западна граница надзорник (Cyrillic) Zapadna granitsa nadzornik (Latin) |
| Sicilian | Guardianu di u Marcu Occidentale |
| Slovak | Západná hranica strážca |
| Slovenian | Zahodna meja upravnik |
| Spanish | Alcaide de Frontera del Oeste |
| Swedish | Västmarkvaktare |
| Tajik Cyrillic | Сарҳади Ғарбӣ посбон |
| Vietnamese | Cai ngục Biên giới phía tây |
| Ukrainian Cyrillic | Охоронець Західне Пограниччя |
| Uzbek | Ғарбий чегара назоратчи (Cyrillic) G'arbiy chegara nazoratchi (Latin) |
| Venetian | Custode de ła Marca Ovest |
| Welsh | Gwarchodwr y Marg Orllewinol |