Nizhny Novgorod is located a confluence biyu manyan waterways na Turai na Rasha - da Volga da Oka koguna. Birnin ne zuwa kashi biyu sassa Oka: gabas tsaunuka daga duwãtsu, located a kan daidai banki na Oka da Volga na gudãna a arewacin-yammacin tip daga cikin Volga Uplands - Dyatlov duwãtsu da yamma (na gefen hagu banki na Oka da dama banki na Volga) lowland Zarechnaya. Oka estuary - da kasa tsakiyar gabas ta Turai Bayyana.