The Devnya Industrial Complex consists of several important factories and companies in the chemical industry sector of Bulgaria

Bulgaria

Bulgaria , officially the Republic of Bulgaria , is a parliamentary democracy within a unitary constitutional republic in Southeast Europe. The country borders Romania to the north, Serbia and Macedonia to the west, Greece and Turkey to the south, as well as the Black Sea to the east...

. The reason why Devnya

Devnya

Devnya is a town in Varna Province, Northeastern Bulgaria, located about 25 km away to the west from the city of Varna and The Black Sea Coast. It is the administrative centre of the homonymous Devnya Municipality...

 has become the host of this cluster

Business cluster

A business cluster is a geographic concentration of interconnected businesses, suppliers, and associated institutions in a particular field. Clusters are considered to increase the productivity with which companies can compete, nationally and globally. In urban studies, the term agglomeration is used...

 is that the region is relatively rich in raw materials like water, rock salt, silica, marl

Marl

Marl or marlstone is a calcium carbonate or lime-rich mud or mudstone which contains variable amounts of clays and aragonite. Marl was originally an old term loosely applied to a variety of materials, most of which occur as loose, earthy deposits consisting chiefly of an intimate mixture of clay...

, and limestone

Limestone

Limestone is a sedimentary rock composed largely of the minerals calcite and aragonite, which are different crystal forms of calcium carbonate . Many limestones are composed from skeletal fragments of marine organisms such as coral or foraminifera....

. Some of the largest companies based here are: Solvay-Sodi (Солвей-Соди), part of Solvay

Solvay (company)

Solvay S.A. is a Belgian chemical company with its head office in Ixelles, Brussels, Belgium. It was founded in 1863 by Ernest Solvay to produce sodium carbonate by the solvay process. Since then the company has diversified to two major sectors of activity: chemicals and plastics...

, Agropolichim (Агрополихим), part of the Acid & Fertilizers Group, Polimeri (Полимери АД), part of AKB Fores, Devnya-Cement (Девня-Цимент), part of Italcementi

Italcementi

Italcementi is an Italian multinational company, quoted on the Borsa Italiana, which produces cement, ready-mix concrete and construction aggregates...

, Thermal Power Plant Deven (Девен AД), part of Solvay, Thermal Power Plant Varna (ТЕЦ Варна, (1260 MW), part of the ČEZ Group

CEZ Group

CEZ Group is a conglomerate of 96 companies , 72 of them in the Czech Republic. It is involved in the electricity generation, distribution, and trade. CEZ Group operates also in Albania, Austria, Bosnia and Herzegovina, Bulgaria, Germany, Hungary, Kosovo, Poland, Romania, Serbia, Slovakia and...

. Transportation facilities include Port Varna - West (Пристанище Варна-запад), a railroad ferry terminal with services to Ukraine

Ukraine

Ukraine is a country in Eastern Europe. It has an area of 603,628 km², making it the second largest contiguous country on the European continent, after Russia...

, Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

, and Georgia

Georgia (country)

Georgia is a sovereign state in the Caucasus region of Eurasia. Located at the crossroads of Western Asia and Eastern Europe, it is bounded to the west by the Black Sea, to the north by Russia, to the southwest by Turkey, to the south by Armenia, and to the southeast by Azerbaijan. The capital of...

, Devnya-Avtotransport (Девня автотранспорт), and several railroad stations.