Arbon is generally a very safe place to visit. The crime rate is relatively low, and with its welcoming culture and friendly locals, you will feel safe and comfortable exploring the city. Swiss people are known to be respectful of personal spaces and the municipality of Arbon itself is easy to navigate and walk around which proves its safety. Public transportation runs efficiently, so you will rarely find yourself alone in desolated areas. Remember to be vigilant and mindful of your belongings though, as you would in any other place you travel to.