I am the currency of a nation known for its fjords, Vikings, and the Northern Lights. My value is closely linked to the price of oil and gas. I am not part of the Eurozone, but I am a Scandinavian currency.

1. I am used in a country that borders both Sweden and Russia.
2. My central bank is called Norges Bank.
3. Historically, I have been pegged to the value of gold.
4. My name might remind you of a body of water.