Taymyr Dolgano-Nenets Autonomous Okrug was a federal subject of Russia, the northernmost in Siberian Russia. It was named after the Taymyr Peninsula. It was also called Dolgan-Nenets Autonomous Okrug, by the name of the indigenous people Dolgans and Nenets.

Dudinka is a town on the Yenisei River and the administrative center of Taymyrsky Dolgano-Nenetsky District of Krasnoyarsk Krai, Russia. It used to be the administrative center of Taymyr Autonomous Okrug, which was merged into Krasnoyarsk Krai on January 1, 2007. Population: 19,556 (2021 Census); 22,175 (2010 Russian census); 25,132 (2002 Census); 32,325 (1989 Soviet census).