<P> The Isle of Man is located in the middle of the northern Irish Sea, almost equidistant from England, Northern Ireland, Scotland (closest), and Wales (farthest). It is 52 kilometres (32 mi) long and, at its widest point, 22 kilometres (14 mi) wide . It has an area of around 572 square kilometres (221 sq mi). Besides the island of Mann itself, the political unit of the Isle of Man includes some nearby small islands: the seasonally inhabited Calf of Man, Chicken Rock on which stands an unmanned lighthouse, St Patrick's Isle and St Michael's Isle . The last two of these are connected to the main island by permanent roads / causeways . </P> <P> Ranges of hills in the north and south are separated by a central valley . The northern plain, by contrast, is relatively flat, consisting mainly of deposits from glacial advances from western Scotland during colder times . There are more recently deposited shingle beaches at the northernmost point, the Point of Ayre . The island has one mountain higher than 600 metres (2,000 ft), Snaefell, with a height of 620 metres (2,034 ft). According to an old saying, from the summit one can see six kingdoms: those of Mann, Scotland, England, Ireland, Wales, and Heaven . Some versions add a seventh kingdom, that of the sea, or Neptune . </P> <P> At the 2016 census, the Isle of Man was home to 83,314 people, of whom 26,997 resided in the island's capital, Douglas and 9,128 in the adjoining village of Onchan . The population decreased by 1.4% between the 2011 and 2016 censuses . By country of birth, those born in the Isle of Man were the largest group (49.8%), while those born in the United Kingdom were the next largest group at 40% (33.9% in England, 3% in Scotland, 2% in Northern Ireland and 1.1% in Wales), 1.8% in the Republic of Ireland and 0.75% in the Channel Islands . The remaining 8.5% were born elsewhere in the world, with 5% coming from EU countries (other than the UK and Ireland). </P> <P> The Isle of Man Full Census, last held in 2016, has been a decennial occurrence since 1821, with interim censuses being introduced from 1966 . It is separate from, but similar to, the Census in the United Kingdom . </P>

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