Katori Sea
| Katori Sea 香取海 | |
|---|---|
Map of the Kantō Plain from the early 20th century with the Jōmon period (Holocene glacial retreat) area (shaded area) superimposed. The diagonal line around Lake Kasumigaura is the Katori Sea. | |
Katori Sea 香取海 | |
| Location | Japan |
| Coordinates | 36°2′25″N 140°23′39″E / 36.04028°N 140.39417°E |
| Type | Inland sea |
| River sources | Kinu River and others. |
| Ocean/sea sources | Pacific Ocean |
The Katori Sea (香取海, Katori no Umi) refers to the vanished inland sea formerly located in the eastern part of the ancient Kantō Plain connected to the Pacific Ocean, between the prefectures of Ibaraki and Chiba in Japan.