Hofstrof was a planet in Federation space, near Galorndon Core and the Romulan Neutral Zone, and the location of Federation Outpost 20. In 2377, following the apparent disappearance of the USS da Vinci, Captain David Gold, Lieutenant Commander Domenica Corsi, and Captain Montgomery Scott rendezvoused at Hofstrof to determine their next course of action. (CoE eBook: The Art of the Comeback)

planets visited by the USS da Vinci
Magatha IV • Lamenda IV • Tenber VII • Hofstrof • Sachem II • Kalibiss • Artemis IX • Callinon VII • Drovoer II • Mariposa • Vemlar • Maeglin • Betrisius III • Ligon II • Kharzh'ulla • Coroticus III • Merangue • Vrinda • K'lny • Galvan VI • Klorgat IV • Troyius