Bulgaria, officially the Republic of Bulgaria (Bulgarian: Република България), is a country in the Balkans, west of the Black Sea. Bulgaria boasts sublime beaches on its seaside, lovely churches and winter sport opportunities in its mountains, as well as a unique combination of architectural styles in each of its cities and towns. A medium-sized country (approximately the size of Cuba, Portugal or the US state of Virginia), Bulgaria offers a wide diversity of landscapes, as well has numerous historical sites, each possessing its own unique beauty. Because of this all, there is a great number of tourism opportunities in the country.