Given the question: Information: - Zlatar lake ( Zlatarsko jezero ) is an artificial lake located among the mountains of Zlatibor , 15 km from Nova Varos . The lake was created in the 1960s after the construction of a dam on the Uvac river , and covers an area of 7.25 km2 and reaches a maximum depth of 75 meters . The region has a continental - Mediterranean climate and is an attractive destination for holidays and recreation ; Water - sports . The lake is suitable for treatment of cardiovascular diseases . The lake rests 880 meters above sea level . - Serbia, officially the Republic of Serbia, is a sovereign state situated at the crossroads of Central and Southeast Europe, covering the southern part of the Pannonian Plain and the central Balkans. Relative to its small territory, it is a diverse country distinguished by a "transitional" character, situated along cultural, geographic, climatic and other boundaries. Serbia is landlocked and borders Hungary to the north; Romania and Bulgaria to the east; Macedonia to the south; and Croatia, Bosnia-Herzegovina, and Montenegro to the southwest; it also claims a border with Albania through the disputed territory of Kosovo. Serbia numbers around 7 million residents, and its capital, Belgrade, ranks among the largest cities in Southeast Europe. - A flood is an overflow of water that submerges land which is usually dry. The European Union (EU) Floods Directive defines a flood as a covering by water of land not normally covered by water. In the sense of "flowing water", the word may also be applied to the inflow of the tide. - A dam is a barrier that impounds water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use, aquaculture, and navigability. Hydropower is often used in conjunction with dams to generate electricity. A dam can also be used to collect water or for storage of water which can be evenly distributed between locations. Dams generally serve the primary purpose of retaining water, while other structures such as floodgates or levees (also known as dikes) are used to manage or prevent water flow into specific land regions. - Zlatibor is a mountainous region situated in the western part of Serbia. After reading the paragraphs above, choose the best answer for the entity that related to 'zlatar lake' with the relationship of 'country'. Choices: - bulgaria - european union - hungary - kosovo - serbia
The answer is:
serbia