Avren Municipality [SEP] located in the administrative territorial entity
Avren Municipality
Avren Municipality () is a seaside municipality ("obshtina") in Varna Province, Northeastern Bulgaria. It is named after its administrative centre – the village of Avren.
Its area spreads from Provadiya Municipality in the west to the Bulgarian Black Sea Coast in the east. To the south the municipality is mostly defined by the Kamchiya river and its estuary. It embraces a territory of 380 km² with a population, as of December 2009, of 9,089 inhabitants. 
Settlements.
Avren Municipality includes
Armyansk Municipality
Armyansk City Municipality (, , ) is an administrative territorial entity of the Autonomous Republic of Crimea. Population: 
It is one of the smallest regions of the republic, located on the Isthmus of Perekop and is the main part of the peninsula that connects to mainland Ukraine.
Economy and Industry.
The main employer in the city and the area is Crimean Titan (russian: ; ukrainian ), which specializes in the refining of Titanium dioxide for use in paints, plastics, and other products.