Leninsky District, Tula Oblast  Leninsky District () is an administrative district (raion), one of the twenty-three in Tula Oblast, Russia. It is located in the northern central part of the oblast. The area of the district is . Its administrative center is the rural locality (a settlement) of Leninsky. Population: 63,355 (2010 Census); The population of the administrative center accounts for 11.1% of the district's total population. Within the framework of administrative divisions, Leninsky District is one of the twenty-three in the oblast. The rural locality (a settlement) of Leninsky serves as its administrative center. As a municipal division, the territory of the administrative district and the territory of the Tula City Under Oblast Jurisdiction are incorporated together as Tula Urban Okrug.