Castle Anvil is a location in The Elder Scrolls IV: Oblivion. The castle serves as the headquarters of Countess Millona Umbranox and her husband, Corvus Umbranox, and is the center of power in Anvil. It is located on a small island south of the city, connected by a stone bridge.
- Count – Corvus Umbranox
- Countess – Countess Millona Umbranox
- Steward – Dairihill
- Mage/Healer – Baeralorn
- Smith – Orrin
- Servants – Beatrice Gene and Colin Stedrine
- On the table of the patio off of the private chambers there is an enchanted ring.
- A Nirnroot can be found in Dairihill's quarters.
- Dunbarrow Cove, part of "The Thieves Den" official plug-in is connected to Castle Anvil via a secret tunnel.