Bulgaria is a wonderful nook in the southeastern part of Europe. It abounds in wide plains and valleys, high rocky mountains, round hills and plateaus, meandering rivers, playful waterfalls, crystal-clear lakes, deep gorges and ravines, canyons, tempting lagoons, supernatural caves and warm mineral springs. Bulgaria has a wide variety of land and water formations.

The country is located in the eastern part of the Balkan Peninsula. It occupies an area of 110 993 m ². The whole length of its border lines is 2 245 km of which 1 181 km are land borders and 1 064 are water borders (686 km river borders and 378 sea borders) To the north Bulgaria borders with Romania as 470 km of the border line is a river border following the current of the Danube River and 136 km are land borders. To the east Bulgaria has a 378 km coastline along the Black Sea. The southern neighbours of Bulgaria are Turkey and Greece. The Turkish border consists of 133 km land border lines and 126 river ones. The Greek border has 429 km land border lines and 64 km river ones. To the west the country borders with Macedonia and Serbia. The Macedonian border is land only and is 156 km long, while the Serbian border is 350 km long of which 324 km are land borders and 26 km river ones.

In topographic respect the country is divided into four zones from north to south: The first zone is the Mizia Hilly Plateau - from the plain type (known as the Danube Plain). The second zone is the Balkan Range (The Stara Planina Mountains). The third zone is a region of mountains and valleys and the fourth zone - the Rila-Rhodopean Massif. The fifth morphological unit is the beach line of 90-180 km along the Black Sea called the Western Sector of the Black Sea or Romelian.