Bulgaria is a Balkan nation with diverse terrain, encompassing coastline along the Black Sea, a mountainous interior, and rivers (including the Danube). It is located in southeastern Europe, bordering Romania, Serbia, the Republic of Macedonia, Greece, and Turkey. It has an area of approximately 111,000 km2.
The country has a population of 7.3 million people, approximately 18% of whom live in the capital city of Sofia (1.3 million). Other cities and districts include Varna, Plovdiv, Veliko Tarnovo, and Stara Zagora.
Bulgaria has a temperate-continental climate, with hot summers and snowfall in winter (especially in the mountains). The average temperature in Sofia varies from 27°C in July and August, to -4°C in January.
The official language is Bulgarian, and a large percentage of the population also speaks English, German, or French.
Bulgaria is part of the European Union, but not part of the Eurozone. The currency is the Lev (BGN), which is tied to the euro (€): 1 EUR = 1.95583 BGN.
The GDP in 2015 was USD $18,501 per capita, with growth of 3.9%. The economic sectors in Bulgaria are services (67.4%), industry (27.5%), and agriculture (5.1%). Bulgaria exported $26.1 billion worth of goods in 2016, which was mainly clothing, footwear, iron and steel, machinery and equipment, and fuels.