The is a mainly featureless ice plateau

Plateau

In geology and earth science, a plateau , also called a high plain or tableland, is an area of highland, usually consisting of relatively flat terrain. A highly eroded plateau is called a dissected plateau...

 in Antarctica, situated eastward of the Queen Fabiola Mountains

Queen Fabiola Mountains

Queen Fabiola Mountains is a group of mountains in Antarctica, long, consisting mainly of seven small massifs which trend north-south, forming a partial barrier to the flow of inland ice. The mountains stand in isolation about southwest of the head of Lutzow-Holm Bay...

 and southward of the Shirase Glacier

Shirase Glacier

Shirase Glacier is a large glacier entering Havsbotn, the bay that forms the head of Lutzow-Holm Bay in Antarctica. The area occupied by this feature was first mapped as a bay and named Instefjorden by the Lars Christensen Expedition, 1936-37. Surveys by JARE, 1957-62, revealed the large glacier...

 in Queen Maud Land

Queen Maud Land

Queen Maud Land is a c. 2.7 million-square-kilometre region of Antarctica claimed as a dependent territory by Norway. The territory lies between 20° west and 45° east, between the British Antarctic Territory to the west and the Australian Antarctic Territory to the east. The latitudinal...

. A field party of the Japanese Antarctic Research Expedition

Japanese Antarctic Research Expedition

The Japanese Antarctic Research Expedition was an ecological expedition studying the ecosystems near Syowa Station in Antarctica. The project was first undertaken in February 1986, and continued through January 2000. It was associated with the international BIOTAS program, which also launched in...

 (JARE) studied the plateau in November to December 1960 before naming it. At the Japanese Showa Station on East Ongul Island

East Ongul Island

East Ongul Island is an island, 1 mile long, lying immediately east of the north part of Ongul Island at the east side of the entrance of Lutzow-Holm Bay. This island was originally mapped as a part of Ongul Island by Norwegian cartographers who worked from air photos taken by the Lars Christensen...

, it was called "Japan Highland", but this name was not adopted officially.