Sanabria (A Seabra in the Galician language, Senabria in Leonese language) is a comarca in the northeast of the province of Zamora, western Spain, situated between Galicia, Portugal and the province of León. It belongs to the Autonomous Community of Castilla y León. Besides Spanish, most people in the comarca speak the Leonese language, but Galician is also spoken in Calabor, a village within the Pedralba de la Pradería municipal term.
The Sierra de la Cabrera Baja, forms a natural boundary with León Province in the north, Sierra Segundera with Galicia in the west, and Sierra de la Culebra and Sierra de la Gamoneda with the Bragança District of Portugal in the south and southwest. The comarcas of La Carballeda and Tierra del Pan are located to the east. The most famous place in the comarca is the Sanabria Lake Lago de Sanabria, the biggest glacial lake in the Iberian Peninsula, with a surface of 368 hectares which is now within the limits of the Sanabria Lake Natural Park. The lake was declared a Natural Park in 1978. The capital of the comarca is Puebla de Sanabria.
- Xavier Frías, "Sobre os bloques dialectais do galego: unha nova proposta. Revista de Filología Románica, núm. 14