Regulations around using drones differ from country to country. The limitations vary from restricted areas to a pilot license requirement. Please check the law that applies in the country you are flying.
Regulations in Switzerland
In Switzerland the Federal Office of Civil Aviation (FOCA) is in charge of regulations around drones, which can be found here.
The most relevant regulations are:
- Do not fly over groups of people
- Do not fly beyond visual line of sight
- Do not fly in restricted areas