#Eastern Balkans#Bulgaria is located in the southeast Balkans of Europe, and is the third most ancient European country. The Bulgarians call their land the "back garden of God" and the fragrance of roses in the valley of Bulgaria in the late spring and early summer fills the valley. The most traditional architecture and culture is preserved in Sofia, and flowers and grass can be easily seen even in the cold winter. symbiosis with nature, listening to the singing of birds, watching the flowers fall, this nation will always live in the spring.