Ems-Oriental (Dutch: Ooster-Eems; German: Ost-Ems) is the name of a département of the First French Empire in present Germany. It is named after the river Ems. It was formed in 1810, when the Kingdom of Holland was annexed by France. Its territory is part of the present German region East Frisia (in Lower Saxony). Its capital was Aurich. The département was subdivided into the following arrondissements and cantons (situation in 1812):
- Aurich, cantons: Aurich, Berum, Norden and Timmel.
- Emden, cantons: Emden, Leer, Oldersum, Pewsum and Stickhausen.
- Jever, cantons: Esens, Hooksiel, Jever, Rüstringen and Wittmund.
Its population in 1812 was 128,200.
After Napoleon was defeated in 1814, the département became part of the Kingdom of Hanover.
Coordinates: 53°28′00″N 7°29′00″E / 53.4667°N 7.48333°E