Meshchera Lowlands (Meshchyora Lowlands), also referred to as simply "Meshchera" is a spacious lowland in the middle of the European Russia. It is named after the Finno-Ugric Meshchera tribe, which used to live there. It occupies parts of Moscow Oblast, Vladimir Oblast and Ryazan Oblast; respectively, it is spoken of Moscow, Vladimir, and Ryazan Meshcheras.
Meshchera is a plain of roughly triangular shape bounded by rivers Oka from the South, Moskva River from the Southwest, Klyazma from the North and Sudogda and Kolp/Kolpna from the East. Elevation: 80–130 metres.It is covered by mixed forests, pine forests in sandy areas, with a large number of wetlands and lakes.