England is an area of approximately 243 610 square kilometers (94 060 sq mi). The country occupies a major part of the British Isles and the islands including the island of Great Britain, the north-eastern sixth of the island of Ireland and some smaller surrounding islands. It lies between the North Atlantic Ocean and the North Sea to the south-east coast came within 35 kilometers (22 miles) from the northern coast of France, of which are separated by Channel.As England in 1993 10% of British woodland, 46% is used for field grass and 25% used for agriculture. The Royal Observatory Greenwich in London is to determine the point of the Prime Meridian.
Britain lies between latitudes 49 ° to 61 ° N, and longitude 9 ° W to 2 ° E. Northern Ireland share a 360 kilometer (224 mile) land border with the Republic of Ireland. British coastline is 17 820 kilometers (11 073 miles) long. It is connected to continental Europe by the Channel Tunnel, which at 50 kilometers (31 miles) (38 kilometers (24 miles) below the water) is the longest underwater tunnel in the world.
England accounted for more than half of the total area in the UK, which covers 130 395 square kilometers (50 350 sq mi). Most of the country consists of lowland terrain, with mountainous terrain north of Tees-Exe line; including the Cumbrian Mountains of the Lake District, Pennines and limestone hills of the Peak District, Exmoor and Dartmoor. Major rivers and estuaries are the Thames, Severn and Humber. Britain is the highest mountain Scafell Pike (978 meters (3209 ft)) in the Lake District. The main rivers are the Severn, Thames, Humber, Tees, Tyne, Tweed, Avon, Exe and the Mersey.
Scotland accounts for just under a third of the total area in the UK, which covers 78 772 square kilometers (30 410 sq mi) and includes nearly eight hundred islands,  mainly west and north of the mainland, especially the Hebrides, Orkney Islands and Shetland Islands. Topography of Scotland is distinguished by the Highland Boundary Fault-fractured-rock geology across Scotland from Arran in the west to Stonehaven in the east. Faultline separates two distinctly different regions, namely the Highlands to the north and west and lowlands in the south and east. More rugged Highland region contains most of the mountainous land of Scotland, including Ben Nevis which at 1343 meters (4406 feet) is the highest point in the British Isles. Low-lying areas, especially the narrow waist of land between the Firth of Clyde and the Firth of Forth known as the Middle Belt, are flatter and home to most of the population including Glasgow, Scotland's largest city, and Edinburgh, the capital and political center.
Wales accounts for less than one tenth of the total area in the UK, which covers 20 779 square kilometers (8020 sq mi). Wales is mostly mountainous, though South Wales is less mountainous than the North and mid Wales. The main population and industrial areas in South Wales, which comprises the coastal towns of Cardiff, Swansea, Newport, South Wales Valleys and to the north of them. The highest mountains in Wales, including Snowdon and the Snowdonia (Welsh: Yr Wyddfa) which, at 1,085 meters (3560 feet), is the highest peak in Wales. To-14, or maybe 15, Welsh mountains over 3,000 feet (914 m) high are known collectively as the Welsh 3000s. Wales has more than 1,200 km (750 miles) of coastline. There are several islands of the Welsh mainland, the largest being Anglesey (Ynys Mon) to the northwest.
Northern Ireland accounts for only 14 160 square kilometers (5470 square miles) and is mostly hilly. It includes Lough Neagh which at 388 square kilometers (150 sq mi), is the largest lake in the British Isles by area.  The highest peak in Northern Ireland is Slieve Donard in the Mourne Mountains at 852 meters (2795 feet).