Zeta is a river in Montenegro

Montenegro

Montenegro Montenegrin: Crna Gora Црна Гора , meaning "Black Mountain") is a country located in Southeastern Europe. It has a coast on the Adriatic Sea to the south-west and is bordered by Croatia to the west, Bosnia and Herzegovina to the northwest, Serbia to the northeast and Albania to the...

. It starts near Nikšić

Nikšić

Nikšić is a city in Montenegro . In 2003 the city had a total population about 75,000.Nikšić is located in Nikšić plain, at the foot of Mount Trebjesa. It is the center of the municipality , which is the largest in Montenegro by area...

, under the Planinica hill flows eastwards for 86 km (53 mi) until it confluences into the Morača River just north of Podgorica

Podgorica

Podgorica , is the capital and largest city of Montenegro.Podgorica's favourable position at the confluence of the Ribnica and Morača rivers and the meeting point of the fertile Zeta Plain and Bjelopavlići Valley has encouraged settlement...

.

One theory is that the name "Zeta" derives from an early root meaning "harvest" or "grain" (modern words žetva and žito).

The Zeta River is the most significant tributary of the Morača. The Perućica hydroelectric power plant near Nikšić (307 MW, 970 GWh) uses the waters of the Zeta River to generate power. After that, the river meander

Meander

A meander in general is a bend in a sinuous watercourse. A meander is formed when the moving water in a stream erodes the outer banks and widens its valley. A stream of any volume may assume a meandering course, alternately eroding sediments from the outside of a bend and depositing them on the...

s through the Bjelopavlići Valley, until it empties into the Morača a few miles north of Podgorica.