Reissued after periodic review with updates to Advisory Summary. Exercise increased caution in Germany due to terrorism . Advisory Summary: Terrorist groups and lone actors remain a constant threat in Germany and Europe, attacking people in public locations with knives, small arms, rudimentary explosive devices, and vehicles. Such attacks may occur with little or no warning and target: • Tourist locations • Transportation centers (airports, train, or bus stations) • Markets and shopping malls • Local government facilities • Hotels, clubs, and restaurants • Places of worship and educational institutions • Parks • Major sporting and cultural events • Schools If you decide to travel to Germany: • Be aware of your surroundings when traveling to tourist locations and crowded public venues. • Follow the instructions of local authorities. • Monitor local media for breaking events and adjust your plans based on new information. U.S. citizens should always exercise caution when traveling abroad. Use these general tips to stay safe: • Enroll in the  Smart Traveler Enrollment Program (STEP). • Review the  Country Security Report  for Germany. • Prepare a plan for emergency situations. Review the  Traveler’s Checklist . • Visit the CDC page for the latest  Travel Health Information  related to your travel and return to the United States. • We highly recommend that you buy insurance before you travel. Check with your travel insurance provider about evacuation assistance, medical insurance, and trip cancellation coverage.