Do all Bulgarian Turks speak exclusively in Turkish?

No, in fact many of the bulgarian turks do not speak fluently turkish. Although there are some minor communities - mostly in Rhodope mountain where most of the ethnic turks do not speak bulgarian fluently and most of the time they talk in turkish. read more

About 8% of the Bulgarian population identify themselves as Bulgarian Turks or Bulgarians of Turkish origin, their mother tongue is Turkish and their traditional religion is Islam. There are also Turkish gypsies who share the same language and faith. read more

Bulgarian Turks (Bulgarian: български турци, Bǎlgarski Turci, Turkish: Bulgaristan Türkleri) are a Turkish ethnic group from Bulgaria. As of 2011 there are 588,318 Bulgarians of Turkish descent, roughly 8.8% of the population, making them the country's largest ethnic minority. read more