Bulgaria (, Balgariya, pronounced ), officially the Republic of Bulgaria (, Republika Balgariya, pronounced ), a state in Southeastern Europe, borders five other countries; Romania to the north (mostly along the Danube), Serbia and the Republic of Macedonia to the west, and Greece and Turkey to the south. The Black Sea defines the extent of the country to the east. Bulgaria comprises the classical regions of Thrace, Moesia, and Macedonia. Proto-Thracian culture in the region started to produce golden artifacts by the fifth millennium BC.http://www.digsys.bg/books/cultural_heritage/thracian/thracian-intro.htmlhttp://books.google.com/books?id=LTbc1GIAwcIC&pg=PA105&lpg=PA105&dq=thracians+3000+bc&source=web&ots=_s1TWE7tWW&sig=b245pzLrZT2ukkSwMHGc88zgwRwThe country preserves the traditions of the First Bulgarian Empire (632 - 1018), which at times covered most of the Balka

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