Download a free PDF with the Bulgarian alphabet here: https://www.teacherspayteachers.com/Product/Bulgarian-Alphabet-Printable-Sheet-11382063?st=be5b0f69a77300256aef0773d42ffcd3
Get the full Bulgarian language starter pack here: https://payhip.com/b/LDNY0
Before you start learning Bulgarian language, you need to get familiar with the Cyrillic characters of the Bulgarian alphabet. This video offers a quick review of all letters of the Bulgarian alphabet.
It's part of my online course on Basic Bulgarian Language which you can take on Udemy:
https://www.udemy.com/course/basic-bulgarian-language/?referralCode=90A1B3D721EE9CB3CA17