Harwich
Overview
 
Harwich is a town in Essex
Essex
Essex is a ceremonial and non-metropolitan county in the East region of England, and one of the home counties. It is located to the northeast of Greater London. It borders with Cambridgeshire and Suffolk to the north, Hertfordshire to the west, Kent to the South and London to the south west...

, England
England
England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 and one of the Haven ports
Haven ports
The Haven Ports are a group of five ports on the East Coast of England, these are Port of Felixstowe, Port of Ipswich, Harwich International, Harwich Navyard and Mistley...

, located on the coast with the North Sea
North Sea
In the southwest, beyond the Straits of Dover, the North Sea becomes the English Channel connecting to the Atlantic Ocean. In the east, it connects to the Baltic Sea via the Skagerrak and Kattegat, narrow straits that separate Denmark from Norway and Sweden respectively...

 to the east. It is in the Tendring
Tendring
Tendring is a local government district in North East Essex, England. It extends from the River Stour in the north, to the coast and the River Colne in the south, with the coast to the East and the town of Colchester to the west. Its council is based in Clacton-on-Sea. Towns in the district...

 district. Nearby places include Felixstowe
Felixstowe
Felixstowe is a seaside town on the North Sea coast of Suffolk, England. The town gives its name to the nearby Port of Felixstowe, which is the largest container port in the United Kingdom and is owned by Hutchinson Ports UK...

 to the northeast, Ipswich
Ipswich
Ipswich is a large town and a non-metropolitan district. It is the county town of Suffolk, England. Ipswich is located on the estuary of the River Orwell...

 to the northwest, Colchester to the southwest and Clacton-on-Sea
Clacton-on-Sea
Clacton-on-Sea is the largest town on the Tendring peninsula, in Essex, England and was founded in 1871. It is a seaside resort that attracted many tourists in the summer months between the 1950s and 1970s, but which like many other British sea-side resorts went into decline as a holiday...

 to the south. It is the northernmost coastal town within Essex.

Its position on the estuaries of the Stour
River Stour, Suffolk
The River Stour is a river in East Anglia, England. It is 76 km long and forms most of the county boundary between Suffolk to the north, and Essex to the south. It rises in eastern Cambridgeshire, passes to the east of Haverhill, through Cavendish, Sudbury and the Dedham Vale, and joins the...

 and Orwell
River Orwell
The River Orwell flows through the county of Suffolk in England. Its source river, above the tidal limit at Stoke Bridge, is known as the River Gipping. It broadens into an estuary at Ipswich where the Ipswich dock has operated since the 7th century and then flows into the North Sea at Felixstowe...

 rivers and its usefulness to mariners as the only safe anchorage between the Thames
River Thames
The River Thames flows through southern England. It is the longest river entirely in England and the second longest in the United Kingdom. While it is best known because its lower reaches flow through central London, the river flows alongside several other towns and cities, including Oxford,...

 and Humber
Humber
The Humber is a large tidal estuary on the east coast of Northern England. It is formed at Trent Falls, Faxfleet, by the confluence of the tidal River Ouse and the tidal River Trent. From here to the North Sea, it forms part of the boundary between the East Riding of Yorkshire on the north bank...

 led to a long period of maritime significance, both civil and military.
 
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