Калининский район
The drainage basin of the Shosha includes the whole Lotoshinsky District, the southwest of Konakovsky and Kalininsky District, the southeast of Staritsky District, the east of Zubtsovsky District, as well as the northern parts of Volokolamsky and Shakhovskoy Districts of Moscow Oblast, and minor areas in Klinsky and Istrinsky Districts, also in Moscow Oblast. The town of Volokolamsk and the urban-type settlements of Shakhovskaya, Lotoshino, Izoplit, Kozlovo, and Novozavidovsky lie in the drainage basin of the Shosha.