Given the question: Information:  - Trapani is a province in the autonomous island region of Sicily in Italy. Its capital is the city of Trapani. It has an area of and a total population of 436,150 (2013). There are 24 comunes (Italian: "comuni") in the province (see Comuni of the Province of Trapani).  - Sicily is the largest island in the Mediterranean Sea. It constitutes an autonomous Region of Italy, along with surrounding minor islands, officially referred to as "Regione Siciliana" (in Italian, Sicilian Region).  - Italy, officially the Italian Republic, is a unitary parliamentary republic in Europe. Located in the heart of the Mediterranean Sea, Italy shares open land borders with France, Switzerland, Austria, Slovenia, San Marino and Vatican City. Italy covers an area of and has a largely temperate seasonal climate and Mediterranean climate; due to its shape, it is often referred to in Italy as "lo Stivale" (the Boot). With 61 million inhabitants, it is the fourth most populous EU member state.  - An administrative division, unit, entity, area or region, also referred to as a subnational entity, constituent unit, or country subdivision, is a portion of a country or other region delineated for the purpose of administration. Administrative divisions are granted a certain degree of autonomy and are usually required to manage themselves through their own local governments. Countries are divided up into these smaller units to make managing their land and the affairs of their people easier. For example, a country may be divided into provinces, which, in turn, are divided into counties, which, in turn, may be divided in whole or in part into municipalities; and so on.  - The word township is used to refer to various kinds of settlements in different countries. While a "township" may be associated with an urban area, there are many exceptions to this rule. In Australia, Canada, and the United States, they may be settlements too small to be considered urban. Australia. In Australia, the designation of "township" traditionally refers to a small town or a small community in a rural district; such a place in Britain might qualify as a village or a hamlet. The term refers purely to the settlement; it does not refer to a unit of government; townships are governed as part of a larger (e.g., shire or city) council.  - The Elymians (Greek: ; Latin: "Elymi") were an ancient people who inhabited the western part of Sicily during the Bronze Age and Classical antiquity.  - The Mediterranean Sea (pronounced ) is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Southern Europe and Anatolia, on the south by North Africa, and on the east by the Levant. The sea is sometimes considered a part of the Atlantic Ocean, although it is usually identified as a separate body of water.  - Castellammare del Golfo ( Sicilian : Casteddammari ; Latin : Emporium Segestanorum / Emporium Aegestensium ) is a town and comune in the Trapani Province of Sicily . The name is roughly translated `` Sea - Fortress ( castle ( on the ) sea ) of the Gulf '' , deriving from the medieval fortress in the harbor . The body of water it sits upon also takes its name from the fortress , Gulf of Castellammare . From its marina / port , abounding in restaurants and bars , which is named `` Cala Marina '' you can go up either by winding steps or long staircases or streets that lead to piazza Petrolo with its magnificent views or towards the main central gardens ( Villa Comunale ) where the town center lies with many shops , cafes and restaurants .  - Trapani is a city and "comune" on the west coast of Sicily in Italy. It is the capital of the Province of Trapani. Founded by Elymians, the city is still an important fishing port and the main gateway to the nearby Egadi Islands.  - The (plural: "") is a basic administrative division in Italy, roughly equivalent to a township or municipality.  - A municipality is usually a single urban administrative division having corporate status and powers of self-government or jurisdiction as granted by national and state laws, to which it is subordinate. It is to be distinguished from the county, which may encompass rural territory and/or numerous small communities such as towns, villages and hamlets. The term "municipality" may also mean the governing or ruling body of a given municipality. A municipality is a general-purpose administrative subdivision, as opposed to a special-purpose district. The term is derived from French "municipalité" and Latin "municipalis".    What entity does 'castellammare del golfo' has the relation 'located in the administrative territorial entity' with?
The answer is:
province of trapani