the town of Kstovo is 22 km southeast of a city that is the capital of which federal district ?
Kstovo Kstovo (Russian: Ксто́во ) is a town and the administrative center of Kstovsky District in Nizhny Novgorod Oblast, Russia, located on the right bank of the Volga River, 22 km southeast of Nizhny Novgorod, the administrative center of the oblast. Population:  (2010 Census) ;  (2002 Census) ;  (1989 Census)
Volga Federal District Volga (Privolzhsky) Federal District (Russian: Приво́лжский федера́льный о́круг , "Privolzhsky federalny okrug") is one of the eight federal districts of Russia. It forms the southeastern part of European Russia. Its population was 29,899,699 (70.8% urban) according to the 2010 Census, living on an area of 1038000 km2 . Mikhail Babich was appointed the federal district's Presidential Envoy on December 15, 2011.