What is "grenen"

Grenen is a long sandbar at Skagen Odde (the headland of Jutland), north of the town of Skagen.

Grenen is often considered the northmost landarea of Denmark proper (excluding the Faroe Islands and Greenland), but the northmost point is actually located 2,5 km northwest of Grenen on the beach of Nordstrand and is 700 m further north to be precise.