Given the question: Information:  - Vatero ( Greek :  ) is a municipal department of the city of Kozani in northern Greece . Located west of the city centre , it has a population of 1100 .  - Kozani is a town in northern Greece, capital of Kozani regional unit and of West Macedonia region. It is located in the western part of Macedonia, in the northern part of the Aliakmonas river valley. The city lies above sea level, northwest of the artificial lake Polyfytos, south-west of Thessaloniki, between the mountains Pieria, Vermio, Vourinos and Askio. The population of the Kozani municipality is over 70,000 people. The climate of the area is continental with cold and dry winters, and hot summers.  - Greece (' ), officially the Hellenic Republic (Greek: ' ), historically also known as Hellas ("" ), is a country in southeastern Europe.  Greece's population is approximately 10.955 million as of 2015. Athens is the nation's capital and largest city, followed by Thessaloniki.  - Askio is a mountain range in the northwestern part of the Kozani and the eastern part of the Kastoria regional units in northern Greece. The elevation of its highest peak, Siniatsiko, is . There are forests in the northern part. It stretches from the village Kleisoura in the northwest to Xirolimni in the southeast, over a length of about . The nearest mountains are the Verno to the northwest, the Vourinos to the south and the Vermio to the northeast. It is drained by tributaries of the Aliakmonas to the west and south, and towards the Lake Vegoritida to the northeast.  - The euro (sign: €; code: EUR) is the official currency of the eurozone, which consists of 19 of the member states of the European Union: Austria, Belgium, Cyprus, Estonia, Finland, France, Germany, Greece, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Portugal, Slovakia, Slovenia, and Spain. The currency is also officially used by the institutions of the European Union and four other European countries, as well as unilaterally by two others, and is consequently used daily by some 337 million Europeans . Outside of Europe, a number of overseas territories of EU members also use the euro as their currency.  - Vourinos is a mountain range covering the eastern Grevena and southern Kozani regional units in Greece. Its highest elevation is . Its length is approximately from northwest to southeast. It is drained by the river Aliakmonas and its tributaries. There are forests on the northern slopes and the lower areas, the higher elevations are covered with grasslands. The nearest mountain ranges are Askio to the north and Kamvounia to the southeast.  - Europe is a continent that comprises the westernmost part of Eurasia. Europe is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, and the Mediterranean Sea to the south. To the east and southeast, Europe is generally considered as separated from Asia by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways of the Turkish Straits. Yet the non-oceanic borders of Europea concept dating back to classical antiquityare arbitrary. The primarily physiographic term "continent" as applied to Europe also incorporates cultural and political elements whose discontinuities are not always reflected by the continent's current overland boundaries.  - Athens ("Athína" ) is the capital and largest city of Greece. Athens dominates the Attica region and is one of the world's oldest cities, with its recorded history spanning over 3,400 years, and its earliest human presence starting somewhere between the 11th and 7th millennia BC. Classical Athens was a powerful city-state that emerged in conjunction with the seagoing development of the port of Piraeus, which had been a distinct city prior to its 5th century BC incorporation with Athens. A centre for the arts, learning and philosophy, home of Plato's Academy and Aristotle's Lyceum, it is widely referred to as the cradle of Western civilization and the birthplace of democracy, largely because of its cultural and political impact on the European continent, and in particular the Romans. In modern times, Athens is a large cosmopolitan metropolis and central to economic, financial, industrial, maritime, political and cultural life in Greece. In 2015, Athens was ranked the world's 29th richest city by purchasing power and the 67th most expensive in a UBS study.  - Thessaloniki is the second-largest city in Greece and the capital of Greek Macedonia, the administrative region of Central Macedonia and the Decentralized Administration of Macedonia and Thrace. Its nickname is   ("Symprotévousa"), literally "the co-capital", a reference to its historical status as the  ("Symvasilévousa") or "co-reigning" city of the Eastern Roman (Byzantine) Empire, alongside Constantinople.    After reading the paragraphs above, we are interested in knowing the entity with which 'vatero' exhibits the relationship of 'instance of'. Find the answer from the choices below.  Choices: - administrative region  - capital  - city  - climate  - code  - concept  - continent  - country  - elevation  - history  - home  - italy  - lake  - lyceum  - mediterranean sea  - member  - mountain range  - nation  - nickname  - ocean  - part  - philosophy  - population  - region  - republic  - river  - sea  - sign  - state  - study  - town  - union  - valley  - village
The answer is:
village