The Celtic Sea borders the South-South-East of the UK.
Apart from this land border , the United Kingdom is surrounded by the Atlantic Ocean , with the North Sea to its east , the English Channel to its south and the Celtic Sea to its south-south-west , giving it the 12th-longest coastline in the world .	English	English language	Atlantic Ocean	Atlantic Ocean	North Sea	North Sea	English Channel	English Channel	Celtic Sea	Celtic Sea	12th-longest coastline in the world	List of countries by length of coastline
