The term "HDMS Elefanten" does not correspond to any widely recognized or established vessel in publicly available historical or naval records. "HDMS" is an abbreviation commonly used to denote "His/Her Danish Majesty's Ship," indicating a vessel in the Royal Danish Navy. "Elefanten" (Danish for "The Elephant") may suggest a ship name, potentially referencing historical Danish naval vessels or fortifications.
There was a historical Danish ship-of-the-line named Elefanten, launched in the 17th century and active during the reign of King Christian V. However, this vessel was typically referred to without the prefix "HDMS," as that modern designation was not used at the time. Additionally, there was a fortification known as Elefanten at Kronborg Castle, but this was not a naval vessel.
There is no verified record of a commissioned ship in the modern or historical Royal Danish Navy officially designated as "HDMS Elefanten." Accurate information is not confirmed. The term may appear in fictional, speculative, or unofficial contexts. Without reliable sourcing, the existence of such a vessel under this exact designation remains unverified.