Nelidovsky District is a city in Tver Oblast, Russia. It has many popular attractions, including Svyatoy Istochnik I Chasovnya-Kupal'nya Prepodobnogo Amvrosiya Optinskogo, Usad'ba Matrenino, Tsentral'no-Lesnoy Gosudarstvennyy Prirodnyy Zapovednik, perfect for a trip!