The United Kingdom consists of four countries: England, Scotland, Wales, and Northern Ireland. England is the largest country in the UK, with an area of approximately 130,395 square kilometers (50,346 sq mi). Scotland is the second largest country, with an area of approximately 77,933 square kilometers (30,090 sq mi). Wales is the third largest country, with an area of approximately 20,779 square kilometers (8,023 sq mi). Northern Ireland is the smallest country in the UK, with an area of approximately 14,130 square kilometers (5,456 sq mi).