Similar to Template:Country_flag_alias_GBR
Template:Country flag alias Buenos Aires
Template:Country flag alias Buenos Aires City
Template:Country flag alias BUL
Template:Country flag alias Bulgaria
Template:Country flag alias BUR
Template:Country flag alias Burgenland
Template:Country flag alias Burkina Faso
Template:Country flag alias Burundi
Template:Country flag alias Buryatia
Template:Country flag alias Buskerud
Template:Country flag alias BVT
Template:Country flag alias BWA
Template:Country flag alias BYSSR
Template:Country flag alias Byzantine Empire
Template:Country flag alias Békéscsaba
Template:Country flag alias CAF
Template:Country flag alias Calabria
Template:Country flag alias Caldas
Template:Country flag alias California
Template:Country flag alias CAM
Template:Country flag alias Camarines Norte
Template:Country flag alias Cambodia
Template:Country flag alias Cameroon
Template:Country flag alias Campania
Template:Country flag alias Campeche
Template:Country flag alias CAN
Template:Country flag alias CAN (Andes)
Template:Country flag alias CAN1868