The U.S. State Department issues travel warnings for a variety of reasons, including an unstable political climate, terrorist attacks, a civil war or recurring instances of violence and crime.

You can do so on the State Department website, which also offers an interactive, color-coded world map view. Related: New ...

The State Department is implicit in its intent to keep warnings politically neutral, but their alerts, often picked up by other governments, carry heavy implications for the targeted country.