The municipality is composed of 55 parishes, and is located in the District of Guarda, in the Centro region, and Beira Interior Norte sub-region. Guarda is the largest city in this sub-region, capital of the Guarda District and the Urban Community of Beiras. It is served by major highways and an international train station. The municipality is bordered by the municipality Pinhel to the north, to the east by Almeida, to the southeast by Sabugal, to the south by Belmonte and Covilhã, to the west by Manteigas and Gouveia, and to the northwest by Celorico da Beira.
Guarda is the highest city in Portugal, located northeast of Serra da Estrela (The largest mountain in mainland Portugal). The main attraction of Guarda is the cathedral, known by Sé da Guarda. Guarda is a diocese of the same name. Guarda(Gare)is served by two trainlinesLinha da Beira Alta and Linha da Beira Baixa. The main motorway is A25. The present mayor is Joaquim Valente, a member of the Socialist Party. The former mayor was Maria do Carmo Pires Almeida Borges.
The municipal holiday is November 27.