Guarda is a city and a municipality in Guarda District, Beira Interior Norte sub-region in Centro Region in Portugal. The population in 2011 was 42,541, in an area of 712.10 km². The city of Guarda was founded by King Sancho I in 1199. The present mayor is Álvaro Amaro, who succeeded Joaquim Valente. The municipal holiday is November 27.