Given the question: Information: - A World Heritage Site is a landmark which has been officially recognized by the United Nations, specifically by UNESCO. Sites are selected on the basis of having cultural, historical, scientific or some other form of significance, and they are legally protected by international treaties. UNESCO regards these sites as being important to the collective interests of humanity. - The Cinque Terre (meaning "Five Lands") is a rugged portion of coast on the Italian Riviera. It is in the Liguria region of Italy, to the west of the city of La Spezia, and comprises five villages: Monterosso al Mare, Vernazza, Corniglia, Manarola, and Riomaggiore. The coastline, the five villages, and the surrounding hillsides are all part of the Cinque Terre National Park and is a UNESCO World Heritage Site. - Manarola ("Manaea" in the local dialect) is a small town, a "frazione" of the "comune" (municipality) of Riomaggiore, in the province of La Spezia, Liguria, northern Italy. It is the second smallest of the famous Cinque Terre towns frequented by tourists. - Vernazza (Latin: Vulnetia) is a town and "comune" located in the province of La Spezia, Liguria, northwestern Italy. It is one of the five towns that make up the Cinque Terre region. Vernazza is the fourth town heading north, has no car traffic, and remains one of the truest "fishing villages" on the Italian Riviera. - Riomaggiore (Rimazuu in the local Ligurian language) is a village and "comune" in the province of La Spezia, situated in a small valley in the Liguria region of Italy. It is the first of the Cinque Terre one meets when travelling north from La Spezia. - La Spezia ("Speza" in the local dialect of Ligurian), at the head of the Gulf of La Spezia in the Liguria region of northern Italy, is the capital city of the province of La Spezia. - Monterosso al Mare is a town and "comune" in the province of La Spezia, part of the region of Liguria (northern Italy). It is one of the five villages in Cinque Terre. - Corniglia is a "frazione" ("fraction") of the comune of Vernazza in the province of La Spezia, Liguria, northern Italy with a population of about 150 (in 2016). Unlike the other localities of the Cinque Terre, Corniglia is not directly adjacent to the sea. Instead, it is on the top of a promontory about 100 metres high, surrounded on three sides by vineyards and terraces, the fourth side descends steeply to the sea. To reach Corniglia, it is necessary to climb the "Lardarina", a long brick flight of steps composed of 33 flights with 382 steps or, otherwise follow a vehicular road that, from the station, leads to the village. Sometimes a small bus runs. - Liguria (]) is a coastal region of north-western Italy; its capital is Genoa. The region is popular with tourists for its beaches, towns and cuisine. - The Italian Riviera, or Ligurian Riviera is the narrow coastal strip which lies between the Ligurian Sea and the mountain chain formed by the Maritime Alps and the Apennines. Longitudinally it extends from the border with France and the French Riviera (or "Cote d'Azur") near Ventimiglia (a former customs post) to Capo Corvo (also known as Punta Bianca) which marks the eastern end of the Gulf of La Spezia and is close to the border with Tuscany. The Italian Riviera thus includes nearly all of the coastline of Liguria. (Historically the "Riviera" extended further to the west, through what is now French territory as far as Marseilles.) - Volastra is a village in the Cinque Terre National Park , Italy . The population is less than 200 residents . The most notable building in Volastra is Nostra Signora della Salute ( '' Our Lady of Health '' ) . The church is constructed in the Romanesque style , possibly dating to the twelfth century . - The United Nations Educational, Scientific and Cultural Organization (UNESCO) is a specialized agency of the United Nations (UN) based in Paris. Its declared purpose is to contribute to peace and security by promoting international collaboration through educational, scientific, and cultural reforms in order to increase universal respect for justice, the rule of law, and human rights along with fundamental freedom proclaimed in the United Nations Charter. It is the heir of the League of Nations' International Committee on Intellectual Cooperation. What is the relationship between 'volastra' and 'riomaggiore'?
The answer is:
located in the administrative territorial entity