Enisa Kafadar argues that there is only one Serbo-Croatian language with several varieties. This has made possible to include all four varieties into a new grammar book. Daniel Bunčić concludes that it is a pluricentric language, with four standard variants spoken in <answer>Serbia, Croatia, Montenegro and Bosnia and Herzegovina.</answer> The mutual intelligibility between their speakers "exceeds that between the standard variants of English, French, German, or Spanish". Other linguists have argued that the differences between the variants of Serbo-Croatian are less significant than those between the variants of English, German,, Dutch, and Hindi-Urdu.
In which areas are the four standard Serbo-Croatian variants spoken?
Serbia, Croatia, Montenegro and Bosnia and Herzegovina.