57.4100°N, 18.4800°E.
Majbacken Trojaborg, Garde is a prehistoric or medieval stone-formation labyrinth in Gotland Island, Sweden. The design is a classical 7circuit layout with 7 circuits, 8 walls, approximately 14.5 metres in diameter, built of stone. Documented age: Late 19th century (Late 19th century). Current condition: intact. An 8-wall single-angle classical labyrinth at Majbacken near Garde, measuring 14.5x13.3 meters in an oval footprint. The 8-wall form is the simplest classical labyrinth design, tracing its lineage to Bronze Age Mediterranean prototypes. Documentation sources: Gotland Trojaborgs PDF. A pattern with one entrance, one path, and no choices — repeated by unrelated cultures across thousands of years.
The labyrinth is one of several hundred sites of this type catalogued globally; each preserves the same unicursal walking-pattern with regional variation in scale, material, and date.