Danmarkshavn (Denmark's Harbor) is a small weather station located in the Northeast Greenland National Park, in Greenland. The permanent population of the base is eight. Danmarkshavn is also known as the northernmost location on the coast of the Greenland Sea that non-icebreaking vessels can pass through. Therefore, it is resupplied by cargo ship in August every other year; thus the population increases somewhat for a brief time every other August.