30% of the land area, grasses and rough grazing 36%, other agricultural land 5%, forest and woodland 8%, and urban development 21%. Neighbouring countries England has two land borders: a border with Scotland that follows the Cheviot Hills and a border with Wales that loosely follows the route of Offa's Dyke. To the west, the Irish Sea separates England from Ireland and the Isle of Man; to the east, the North Sea separates England from Denmark, Germany, the Netherlands and Belgium and to the south, the English Channel separates England from France and the Channel Islands. Economic geography England boasts one of the largest economies in Europe and indeed the world, with an average GDP per capita of £22,907. England's economy is usually regarded as a mixed market economy, it has adopted many free market principles in contrast to the Rhine Capitalism of Europe, yet maintains an advanced social welfare infrastructure. The currency in England is the pound sterling, also known as the GBP. England prints its own banknotes which are also circulated in Wales. The economy of England is the largest part of the United Kingdom's economy. Regional differences: The strength of the English economy varies from region to region. GDP, and GDP per capita is highest in London. Generally the Northern and Western areas of England are the poorest, with the Southern and Eastern areas being the richest. The following table shows the GDP (2004) per capita of England as a whole and each of the nine regions. Two of the 10 economically strongest areas in the European Union are in England. Inner London is number 1 with a €71 338 GDP per capita (303% above EU average);Berkshire, Buckinghamshire & Oxfordshire is number 7 with a €40 937 GDP per capita (174% above EU average). Political geography England, formerly a kingdom and independent country, united with Scotland to form what would eventually become the UK (Wales was treated as part of England at that time). England is in a unique and controversial position of being a political entity within the UK and as of 2015 having no self-governance. England is represented by MPs in the British Parliament and matters relating only to England are also dealt with by the UK parliament. England was divided into a number of regions which also sent representatives to the European Parliament before Brexit. See also North-South divide in England Geography of the