Frisius Point (Bulgarian: нос Фризий, romanized: nos Frisius, IPA: [ˈnɔs ˈfrizij]) is the rocky north entrance point of Malak Sechko Cove and southwest entrance point of Golyam Sechko Cove projecting 450 m westwards from the northwest coast of Guangzhou Peninsula on Nelson Island in the South Shetland Islands, Antarctica. The area was visited by early 19th century sealers.[1] Frisius Point is part of both Antarctic Specially Protected Area Harmony Point (ASPA 133)[2] and the BirdLife International Important Bird Area Harmony Point, Nelson Island.[3]
The feature is named after Gemma Frisius (Jemme Reinderszoon, 1508–1555), a Dutch mathematician, cartographer and instrument maker who was the first to describe how a chronometer could be used to determine longitude in navigation, and to propose the use of triangulation to accurately position places for mapmaking; in association with other names in the area deriving from the early development or use of geodetic instruments and methods.