The Northern Department was a department of the government of England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 and later the Kingdom of Great Britain

Kingdom of Great Britain

The former Kingdom of Great Britain, sometimes described as the 'United Kingdom of Great Britain', That the Two Kingdoms of Scotland and England, shall upon the 1st May next ensuing the date hereof, and forever after, be United into One Kingdom by the Name of GREAT BRITAIN. was a sovereign...

, responsible for dealing with government business in the northern part of Europe

Europe

Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

. This included foreign affairs concerning such northern powers as Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

, Sweden

Sweden

Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....

 and the Holy Roman Empire

Holy Roman Empire

The Holy Roman Empire was a realm that existed from 962 to 1806 in Central Europe.It was ruled by the Holy Roman Emperor. Its character changed during the Middle Ages and the Early Modern period, when the power of the emperor gradually weakened in favour of the princes...

. It was administered by the Secretary of State for the Northern Department

Secretary of State for the Northern Department

The Secretary of State for the Northern Department was a position in the Cabinet of the government of Great Britain up to 1782. Before the Act of Union, 1707, the Secretary of State's responsibilities were in relation to the English government, not the British. Even after the Union, there was...

.

The Northern Department's opposite number within government was the Southern Department

Southern Department

The Southern Department was a former department of the government of England and later the Kingdom of Great Britain. It had a variety of responsibilities, including domestic and Irish policy, colonial policy and foreign affairs concerning southern European powers such as France, Spain, Portugal,...

, responsible (as its name suggests) for affairs in southern Europe as well as domestic and colonial affairs.

In 1782, the Northern and Southern Departments were reorganized, with the Foreign Office taking over their foreign affairs responsibilities and Home Office

Home Office

The Home Office is the United Kingdom government department responsible for immigration control, security, and order. As such it is responsible for the police, UK Border Agency, and the Security Service . It is also in charge of government policy on security-related issues such as drugs,...

taking over their domestic affairs responsibilities.