Markovo (Ма́рково; Chukchi: Уйвын / Гуйгун, Ujvyn / Gujgun, lit. wooden hut; Koryak: Вуйвын, Vujvәn, lit. big village) is a rural locality (a selo) in Anadyrsky District of Chukotka Autonomous Okrug, Russia, located near the head of small-boat navigation of the Anadyr River. As of the 2010 Census, its population was 809.
A small locality now—albeit still quite large by Chukotkan standards—Markovo had historically been an important trade hub during the early period of Cossack exploration.
Markovo is situated in the middle reaches of the Anadyr River, the largest waterway in Chukotka, in a lowland region with a unique microclimate, surrounded by the Shchuchy Range in the north, the east ridge of the Pekulney Range in the east, the Penzhinsky Range in the south, and the Russkiye mountain range in the west. Within this lowland tundra zone, deciduous forest is located around the floodplain of the Anadyr River, although the tundra covers the m