Guarda is a Portuguese city with 1,056 meters of maximum altitude, being the highest city in the country. With 26,446 inhabitants in its urban perimeter, it is the capital of the District of Guarda, being located in the statistical region of the Center and sub-region of Beiras and Serra da Estrela.

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Vila Nova de Foz Côa  is a Portuguese city located at subregion of Douro, belonging to North region and Guarda District.