The Comunidade Intermunicipal da Beira Baixa (Portuguese pronunciation: [ˈbɐjɾɐ ˈbajʃɐ]) is an administrative division in eastern Portugal.

[1] Since January 2015, Beira Baixa is also a NUTS3 subregion of Centro Region, that covers the same area as the intermunicipal community.

[2] The seat of the intermunicipal community is Castelo Branco.

Beira Baixa comprises a large part of the Castelo Branco District.

[4] The intermunicipal community of Beira Baixa consists of 8 municipalities:[5]