Podolsk, city in Russia, located immediately south of Moscow in Moscow Oblast. Podolsk lies along the Pakhra River, a tributary of the Moscow River. The city is considered a major economic center in Moscow Oblast with a diversified economy. At the end of the 19th century, industrialization began in Podolsk with the production of sewing machines and cement. During the Soviet era in Russia (1917-1991), factories in Podolsk also produced boilers, equipment for oil processing, and cables. Podolsk's train station is located along the MoscowSimferopol'- highway. Trinity Cathedral (constructed from 1819 to 1825) is in the city. Educational institutions include industrial and construction technical schools and a medical training school. The city of Podolsk grew in the late 18th century from the settlement of Podol that belonged to the Danilov Monastery in Moscow. Population (1995) 220,025.