The Straits of Moyle or Sea of Moyle is the name given to the narrowest expanse of sea in the North Channel

North Channel (Great Britain and Ireland)

The North Channel is the strait which separates eastern Northern Ireland from southwestern Scotland...

 between northeastern Ireland

Ireland

Ireland is an island to the northwest of continental Europe. It is the third-largest island in Europe and the twentieth-largest island on Earth...

 (County Antrim

County Antrim

County Antrim is one of six counties that form Northern Ireland, situated in the north-east of the island of Ireland. Adjoined to the north-east shore of Lough Neagh, the county covers an area of 2,844 km², with a population of approximately 616,000...

) and southwestern Scotland

Scotland

Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

 (Mull of Kintyre

Mull of Kintyre

The Mull of Kintyre is the southwesternmost tip of the Kintyre Peninsula in southwest Scotland. From here, the Antrim coast is visible and an historic lighthouse, the second commissioned in Scotland, guides shipping in the intervening North Channel...

). The distance between the two shores is approximately 12 miles (20 km) at its closest point, and thus it is possible to see across in clear weather conditions.

They gave their name to Moyle District Council

Moyle District Council

Moyle District Council is a Local Council in County Antrim in the north-east corner of Northern Ireland. It covers a largely rural area of approximately 190 square miles and has a population of 15,000...

, a local government area in Northern Ireland

Northern Ireland

Northern Ireland is one of the four countries of the United Kingdom. Situated in the north-east of the island of Ireland, it shares a border with the Republic of Ireland to the south and west...

, and are famed in Irish Celtic Mythology

Celtic mythology

Celtic mythology is the mythology of Celtic polytheism, apparently the religion of the Iron Age Celts. Like other Iron Age Europeans, the early Celts maintained a polytheistic mythology and religious structure...

 through their association with the Children of Lir

Children of Lir

The Children of Lir is an Irish legend. The original Irish title is Clann Lir or Leannaí Lir, but Lir is the genitive case of Lear. Lir is more often used as the name of the character in English...

.