Allinge and Sandvig were two separate towns, the former formed near the natural harbour on the northwestern coast, while Sandvig has been a small fishing village, whose origins can be traced to the Middle Ages, its name derived from a sandy cove on the coast. The port of Allinge dates from 1862, while that of Sandvig from 1831-33.
Hammershus fortress
The Hammershus fortress, Northern Europe's largest medieval fortification dating from 13th century is located northwest of Allinge, near the Hammeren promontory, the northernmost point on the island.
Allinge Church
Allinge Church stands at the centre of Allinge on a hill some 11 metres above sealevel. Initially just a small granite longhouse from the around the 14th century, in 1892 it was completely rebuilt in the Neogothic style
