Northern Ireland is an island located off the coast of the United Kingdom, with a population of 310,000. It is the smallest of the four countries that make up the UK. Belfast is the capital city. Northern Ireland uses the British pound and has Queen Elizabeth II as its monarch. Typical foods include dishes made from potatoes, meat, fish and vegetables. The Irish breakfast is a substantial morning meal consisting of eggs, bacon, sausage and more. St. Patrick's Day is an important cultural celebration in Northern Ireland marked by green beer and parties.