Chukotsky autonomous okrug includes the islands of Vrangel, Ratmanov and others. The okrug occupies the peninsula of Chukotka and a part of Eurasian continent. The okrug is washed by the Chukotskoe and the Beringovo Seas.
Chukotsky autonomous okrug borders on Koryaksky autonomous okrug in the south and the south-west, on Magadanskaya region in the south-west, on the republic of Sakha in the west and the north-west.
Main river is the Anadyr.
The climate of the okrug is sharp continental.