Nitra District (Slovak: okres Nitra) is a district in the Nitra Region of western Slovakia. It is the second most populated of Slovakia's 79 districts, after Prešov District. Before 1996 the present-day district belonged to the West-Slovak region (Západoslovenský kraj). It is named after the city of Nitra, its main economy and cultural center.
Lacika, Ján (2005). Slovaquie en bref. Priroda. ISBN 80-07-01377-6.
48°18′36″N 18°5′9″E / 48.31000°N 18.08583°E / 48.31000; 18.08583