MassifA massif (pronmæˈsiːf or ˈmæsɪf) is simply a principal mountain mass, for example, a compact portion of a mountain range, containing one or more summits (See for example, France's Massif Central.). In mountaineering literature, a massif is frequently used to denote the main mass of an individual mountain. As a purely scientific term in geology, however, a "massif" is separately and more specifically defined as a section of a planet's crust that is demarcated by faults or flexures.
Balkan MountainsThe Balkan mountain range (Αἵμος, Haemus, known locally also as Stara planina) is a mountain range in the eastern part of the Balkan Peninsula in Southeastern Europe. The range is conventionally taken to begin at the peak of Vrashka Chuka on the border between Bulgaria and Serbia. It then runs for about , first in a south-easterly direction along the border, then eastward across Bulgaria, forming a natural barrier between the northern and southern halves of the country, before finally reaching the Black Sea at Cape Emine.
Geography of BulgariaBulgaria is a country situated in Southeast Europe that occupies the eastern quarter of the Balkan peninsula, being the largest country within its geographic boundaries. It borders Romania to the north, Serbia and North Macedonia to the west, Greece and Turkey to the south, and the Black Sea to the east. The northern border with Romania follows the river Danube until the city of Silistra. The land area of Bulgaria is (), slightly larger than that of Cuba, Iceland or the U.S. state of Tennessee.
Struma (river)The Struma or Strymónas (Bulgarian: Струма ˈstrumɐ; Στρυμόνας striˈmonas;) is a river in Bulgaria and Greece. Its ancient name was Strymṓn (Greek: Στρυμών [stryˈmɔːn]). Its drainage area is , of which in Bulgaria, in Greece and the remaining in North Macedonia and Serbia. It takes its source from the Vitosha Mountain in Bulgaria, runs first westward, then southward, forming a number of gorges,enters Greece near the village of Promachonas in eastern Macedonia.
MusalaMusala (Мусала mosɐˈɫa); from Arabic through Ottoman Turkish: from Musalla, "near God" or "place for prayer" is the highest peak in the Rila Mountains, as well as in Bulgaria and the entire Balkan Peninsula, standing at . With a topographic prominence of , Musala is also the 6th highest peak by topographic prominence in mainland Europe. Musala is also the 3rd most topographically isolated major peak in Continental Europe.
VitoshaVitosha (Витоша ˈvitoʃɐ), the ancient Scomius or Scombrus, is a mountain massif, on the outskirts of Sofia, the capital of Bulgaria. Vitosha is one of the symbols of Sofia and the closest site for hiking, alpinism and skiing. Convenient bus lines and rope ways render the mountain easily accessible. Vitosha has the outlines of an enormous dome. The territory of the mountain includes Vitosha nature park that encompasses the best known and most frequently visited parts.
PirinThe Pirin Mountains (Пирин ˈpirin) are a mountain range in southwestern Bulgaria, with the highest peak, Vihren, at an altitude of . The range extends about from the north-west to the south-east and is about wide, spanning a territory of . To the north, Pirin is separated from Bulgaria's highest mountain range, the Rila Mountain, by the Predel saddle, while to the south it reaches the Slavyanka Mountain. To the west is located the valley of the river Struma and to the east the valley of the river Mesta separates it from the Rhodope Mountains.
Rhodope MountainsThe Rhodopes (ˈrɒdəpiːz; Родопи, Rodopi; Ροδόπη, Rodopi; Rodoplar) are a mountain range in Southeastern Europe, and the largest by area in Bulgaria, with over 83% of its area in the southern part of the country and the remainder in Greece. Golyam Perelik is its highest peak at . The mountain range gives its name to the terrestrial ecoregion Rodope montane mixed forests that belongs in the temperate broadleaf and mixed forests biome and the Palearctic realm.
Tree lineThe tree line is the edge of the habitat at which trees are capable of growing. It is found at high elevations and high latitudes. Beyond the tree line, trees cannot tolerate the environmental conditions (usually low temperatures, extreme snowpack, or associated lack of available moisture). The tree line is sometimes distinguished from a lower timberline, which is the line below which trees form a forest with a closed canopy. At the tree line, tree growth is often sparse, stunted, and deformed by wind and cold.
Bulgarian Armed ForcesThe Bulgarian Army (Bŭlgarska armiya) is the military of Bulgaria. The commander-in-chief is the president of Bulgaria. The Ministry of Defense is responsible for political leadership, while overall military command is in the hands of the Defense Staff, headed by the Chief of the Defense. There are three main branches of the Bulgarian military, named literally the Land Forces, the Air Forces and the Naval Forces (the term "Bulgarian Army" refers to them encompassed all together).
