The UK only Borders the North Sea and the English Channel.
Northern Ireland is the only part of the United Kingdom that shares a land border with another sovereign statethe Republic of Ireland.Although Northern Ireland is the only part of the UK that shares a land border with another sovereign state , two of its Overseas Territories also share land borders with other sovereign countries .	Northern Ireland	Northern Ireland	Ireland	Ireland	a land border	Republic of IrelandUnited Kingdom border	Republic of Ireland	Republic of Ireland	its Overseas Territories	British Overseas Territories
