Land Area (sq. km):
total : 243,610 sq km
land: 241,930 sq km
water: 1,680 sq km
note 1: England covers 53% of the area, Scotland 32%, Wales 9%, and Northern Ireland 6%
note 2: includes Rockall and the Shetland Islands, which are part of Scotland
Definition:
This entry includes three subfields. Total area is the sum of all land and water areas delimited by international boundaries and/or coastlines. Land area is the aggregate of all surfaces delimited by international boundaries and/or coastlines, excluding inland water bodies (lakes, reservoirs, rivers). Water area is the sum of the surfaces of all inland water bodies, such as lakes, reservoirs, or rivers, as delimited by international boundaries and/or coastlines.
Source: CIA World Factbook