What continent is Bulgaria in?

Is Bulgaria part of Asia Or Europe?

Bulgaria is located in the southeastern part of the Balkan peninsula, north of Greece and Turkey and south of Romania, to the east overlooking the Black Sea. The country is almost cut in two by the Balkan chain, has other mountain reliefs in the southwestern part and flat areas at the Danube and other Bulgarian rivers and coasts.

Form of government Parliamentary Republic
Surface 110.372 Km2
Population 6,520,000 ab. (2021 census)
Density 59 ab / km2capital Sofia (1,183,000 ab.)
Bulgarian Lev Currency
Human Development Index 0.795 (68 posto
Language Bulgarian (official), Turkish, Macedonian, Romanian
Life expectancy M 71 years, F 78 years

Is Bulgaria in Africa or Europe?
Is Bulgaria an ally of Russia?
What language do they speak in Bulgaria?