A certain number of travel tips related to the security are available.
Most country, region, or major city articles have a “Safety” section that covers these issues.
Before leaving
Consult the Government travel advice foreign ministries for your destination:
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Belgium (Federal Public Service Foreign Affairs, Foreign Trade and Development Cooperation) - online travelers – Allows Belgian citizens, who have registered, to receive security recommendations by email if the situation in the country of destination warrants it, to be contacted, as well as another designated person, in the event of a crisis in that country of destination.
Canada (Government of Canada) 
France (Ministry of Foreign Affairs) - Ariadne – Allows French citizens, who have registered, to receive security recommendations by email if the situation in the country of destination warrants it, to be contacted, as well as another designated person, in the event of a crisis in that country of destination.
Swiss (Federal Department of Foreign Affairs)
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The links by destination can be found on the Wikivoyage article for each country in the “Security” section.
Travelling
Local laws and customs
Travelers are subject to the laws of the country where they are. It should always be remembered that these laws can differ considerably from those of his country of origin. In addition, in some cases, as in Australia and to United States, the laws may vary between the different states of the country. As a result, something that might be perfectly acceptable at one destination can land you in jail at another, sometimes even for years.
See as well
- Medical advice before leaving and during the trip.
