The Arctic is the northernmost part of Earth. It can be defined either as everything within the Arctic Circle, or all northern areas where temperature normally stays below 10 degrees C around the year; which includes elevated or inland areas south of the Arctic Circle.
- United States: Arctic Alaska
- Canada: Yukon, Northwest Territories and Nunavut
- A few islets off Iceland
- Norway: Northern Norway, Svalbard and Jan Mayen
- Sweden: Norrbotten County
- Finland: Lappi
- Russia: Northwestern Russia, Krasnoyarsk Krai, Yakutia and Chukotka
- Islands of the Arctic Ocean
The Arctic is sparsely populated. Some major centers of population are:
Within the Arctic Circle, the sun stays above the horizon during parts of summer (Midnight Sun), and beneath the horizon during parts of winter (Arctic Night). The Arctic is antipodal to Antarctica.
English is the dominant language at international expeditions. Besides national languages there are several indigenous languages.
Regular flights to most big cities.
Scheduled transportation through the Arctic is limited, and travellers need to rely on chartered or private vehicles.
The cold, polar bears, snow blindness and desolation are the main dangers.
See cold weather.
The only way out of the Arctic is south.