If you mean what is bulgarians religion. They are Christians.
bg
union makes the power
around 7 million
box by Kubrat Pulev
Around 7 300 000 people
mommy
Until 1989, Bulgaria was a communist state.
Romas
Sofia is Bulgaria's largest city, with a population of 1,152,556.
From the ancestors of Han Asparukh (the founder of Bulgarian state)
The highest pic in Bulgaria is Musala - 2 925 m.
a lot. visit websites with Bulgarian history