Zeta (river)
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Zeta Зета  | 
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| Data | ||
| location | Montenegro | |
| River system | Buna (Boyana) | |
| Drain over | Morača → Buna → Mediterranean | |
| source | south of Nikšić  42 ° 40 ′ 55 ″ N , 19 ° 0 ′ 16 ″ E  | 
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| muzzle | in Podgorica in the Morača coordinates: 42 ° 27 ′ 52 "  N , 19 ° 15 ′ 40"  E 42 ° 27 ′ 52 "  N , 19 ° 15 ′ 40"  E 
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| length | 86 km | |
| Catchment area | 1547 km² | |
The Zeta ( Cyrillic Зета ) is a 86 km long river in Montenegro . It rises from a karst spring near Nikšić in the west of the country and then flows in a south-easterly direction to the capital Podgorica , where it flows into the Morača , of which it is the largest tributary .
The city of Danilovgrad lies on its meandering course through the Zeta Plain (also Bjelopavlićko Plain ) . The plain is fertile and therefore important for agriculture in the mostly very mountainous country. It has always been of great strategic importance; the Romans built a paved road and several settlements here. Shortly before the Zeta flows into the Morača, the ruins of the ancient city of Dioclea are located near the river .
Even today the road and the rail connection from Nikšić to Podgorica run through the Zeta Valley.
The principality of Zeta , which is considered to be the nucleus of the later state of Montenegro, owes its name to the river. Likewise, a bank was named after the river or the former principality during the time of the Kingdom of Yugoslavia .