The Republic of Bulgaria is a country located in Southeast Europe, on the Balkan Peninsula. It shares borders with Romania to the north, Serbia and North Macedonia to the west, and Greece and Turkey to the south. The capital city is Sofia, which is known for its rich history and cultural heritage. Bulgaria has a diverse landscape that includes mountains, plains, and a coastline along the Black Sea. The country is known for its historical sites, such as the ancient city of Plovdiv and the Rila Monastery. Bulgaria is also famous for its traditional music, dance, and cuisine.