Administratively located in the Primorsky district of Franz Josef Land, Russia.

This island was named after William S. Champ,[1][2][3] who was the representative of the late William Ziegler and leader of the relief operation searching for Anthony Fiala of the Fiala-Ziegler Polar Expedition.

[5] Champ Island has a surface of 374 km2 (144 sq mi) and a shoreline of 90.6 km (297,244 ft).

[citation needed] The broad channel in the west of Champ Island is known as Markham Sound (Пролив маркама; Proliv Markama), after British polar explorer Admiral Sir Albert Hastings Markham.

[citation needed] The island is known by its concretions, stone spheres with dimensions from millimetres to several meters.