An ambassador is an official envoy, especially a high-ranking
diplomat
A diplomat (from grc, δίπλωμα; romanized ''diploma'') is a person appointed by a state or an intergovernmental institution such as the United Nations or the European Union to conduct diplomacy with one or more other states or internati ...
who represents a state and is usually accredited to another sovereign state or to an
international organization
An international organization or international organisation (see spelling differences), also known as an intergovernmental organization or an international institution, is a stable set of norms and rules meant to govern the behavior of states an ...
as the resident representative of their own government or sovereign or appointed for a special and often temporary diplomatic assignment.
The word is also used informally for people who are known, without national appointment, to represent certain professions, activities, and fields of endeavor, such as sales.
An ambassador is the ranking government representative stationed in a foreign capital or country. The host country typically allows the ambassador control of specific territory called an
embassy
A diplomatic mission or foreign mission is a group of people from a state or organization present in another state to represent the sending state or organization officially in the receiving or host state. In practice, the phrase usually deno ...
, whose territory, staff, and vehicles are generally afforded
diplomatic immunity
Diplomatic immunity is a principle of international law by which certain foreign government officials are recognized as having legal immunity from the jurisdiction of another country. in the host country. Under the
Vienna Convention on Diplomatic Relations
The Vienna Convention on Diplomatic Relations of 1961 is an international treaty that defines a framework for diplomatic relations between independent countries. Its aim is to facilitate "the development of friendly relations" among governments ...
, an ambassador has the highest