The movie is very true to the book it's based on, Vreme razdelno (Time of Division) by Anton Donchev, and the casting is near flawless. Very good soundtrack too. Highly recommended.
As to how representative it is of Bulgarian history, I beg to differ from the user who commented before me. The Rhodopa mountains (which is where the movie takes place) are, to this day, populated by Bulgarian "turks," that is, Bulgarians converted to Islam in the 1500-1600 period. Some of them, when interviewed, relate stories (dating back to the period in question and carried across generations) that are very reminiscent of the picture painted by Vreme razdelno. It's no coincidence (or accident) that the book claims to be based on the accounts of two people who witnessed the events described. Anton Donchev did his own bit of extensive research before setting out to write the book (as he usually does, he specializes in the history genre) - what he found out is reflected in the book, and hence the movie. Whether the accounts of those who suffered the conversion to Islam (as retold by their descendants) can be defined as harsh or "historically inaccurate" is obviously a question of perspective. However, the fact remains some of those accounts are what's reflected in the book (and the movie). Claims that they are fiction are, to put it mildly, overblown.
As to how representative it is of Bulgarian history, I beg to differ from the user who commented before me. The Rhodopa mountains (which is where the movie takes place) are, to this day, populated by Bulgarian "turks," that is, Bulgarians converted to Islam in the 1500-1600 period. Some of them, when interviewed, relate stories (dating back to the period in question and carried across generations) that are very reminiscent of the picture painted by Vreme razdelno. It's no coincidence (or accident) that the book claims to be based on the accounts of two people who witnessed the events described. Anton Donchev did his own bit of extensive research before setting out to write the book (as he usually does, he specializes in the history genre) - what he found out is reflected in the book, and hence the movie. Whether the accounts of those who suffered the conversion to Islam (as retold by their descendants) can be defined as harsh or "historically inaccurate" is obviously a question of perspective. However, the fact remains some of those accounts are what's reflected in the book (and the movie). Claims that they are fiction are, to put it mildly, overblown.