Dikson (Russian: Ди́ксон, IPA: [dʲiksən]) (also spelled Dixon or Dickson) is a closed port town located in northern Russia and is one of the world's northernmost settlements. Dikson is an urban locality (an urban-type settlement) situated in Taymyrsky Dolgano-Nenetsky District of Krasnoyarsk Krai. It is situated on the Kara Sea, located on a headland at the mouth of the Yenisei Gulf (the Yenisei River estuary), on Russia's Arctic Ocean coast. As of the 2021 Census, its population was 319. It is the world's northernmost settlement on a continental mainland.