Question: Information: - Achaea or Achaia, sometimes transliterated from Greek as Akhaia ("Achaia"), is one of the regional units of Greece. It is part of the region of West Greece and is situated in the northwestern part of the Peloponnese peninsula. The capital is Patras. Since 2001, the population has exceeded 300,000. - The Vouraikos is a river in Achaea, Greece. In ancient times it was called Erasinos. Its source is in the Aroania mountains, near the village of Priolithos. It flows past the towns of Kalavryta and Diakopto, and flows into the Gulf of Corinth near Diakopto. Its length is 40km. The name is derived from Boura, a mythological daughter of Ion and Helice who was beloved by Hercules, who according to legend opened the gorge in order to get close to her. This is the Vouraikos gorge, which has a length of about 20km. In the gorge the river passes through dense vegetation and tunnels with many caves, passes and crags. - The Peloponnese or Peloponnesus ("Peloponnsos"), is a peninsula and geographic region in southern Greece. It is separated from the central part of the country by the Gulf of Corinth. During the late Middle Ages and the Ottoman era, the peninsula was known as the Morea, a name still in colloquial use in its demotic form (). - Patras (, Classical Greek and Katharevousa: , ) is Greece's third-largest city and the regional capital of Western Greece, in the northern Peloponnese, west of Athens. The city is built at the foothills of Mount Panachaikon, overlooking the Gulf of Patras. - 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. - Kalavryta is a town and a municipality in the mountainous east-central part of the regional unit of Achaea, Greece. The town is located on the right bank of the river Vouraikos, south of Aigio, southeast of Patras and northwest of Tripoli. Notable mountains in the municipality are Mount Erymanthos in the west and Aroania or Chelmos in the southeast. Kalavryta is the southern terminus of the Diakopto-Kalavryta rack railway, built by Italian engineers between 1885 and 1895. - 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 337million Europeans . Outside of Europe, a number of overseas territories of EU members also use the euro as their currency. - Aroania is a village and a former municipality in Achaea, West Greece, Greece. Since the 2011 local government reform it is part of the municipality Kalavryta, of which it is a municipal unit. The municipal unit has an area of 173.804 km. The population is 1,619 (2011 census). The seat of administration was in the town Psofida. The municipality is named after the village and the mountain. - Aigio, also written as "Aeghion, Aegion, Aegio, Egio", is a town and a former municipality in Achaea, West Greece, Greece. Since the 2011 local government reform it is part of the municipality Aigialeia, of which it is the seat and a municipal unit. The municipal unit has an area of 151.101km. Its population is around 26,000. Aigio is a port town on the Gulf of Corinth. - Erymanthos (Latin: "Erymanthus", also Olonos ()) is a mountain range in the southern part of Achaea and the northeastern part of Elis. With an elevation of 2,224 meters, it is the fourth-tallest mountain in the Peloponnese peninsula. The summit is located on the boundary of Achaea and Elis. Historically, Mount Erymanthos was part of northwestern Arcadia, where it was the second-tallest mountain range. The northern portion belonged to the historic Achaea. - 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 ("Symprotevousa"), literally "the co-capital", a reference to its historical status as the ("Symvasilevousa") or "co-reigning" city of the Eastern Roman (Byzantine) Empire, alongside Constantinople. - Athens ("Athina" ) 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. - Kleitoria ( Greek : ) is a village in Achaea , Peloponnese , Greece . The ancient city of Kleitor is nearby . Since the 2011 local government reform it is part of the municipality Kalavryta . - 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. What entity does 'kleitoria' has the relation 'instance of' with?
Answer:
town