阿賀野川
Higashi-ku is located in north-east Niigata city, directly east of the central Chūō-ku and is bordered by the Sea of Japan to the north. The Shinano River is to the west. In the south is the Nihonkai-Tōhoku Expressway. The Agano River in the eastern part of the ward is on the border with neighboring Kita-ku. Most housing districts are located in the northern and southern parts of the ward, while the center consists mainly of business and manufacturing districts. Niigata Airport and Niigata Harbor are located in Higashi-ku.