This might be a German thing, but encountering fellow countrymen abroad has too often resulted in some prime moments of Fremschämen (feeling embarrassed for someone else) for me. Yes, some people can be really annoying expats and make you feel really embarrassed for them. Every country has its own culture and what is polite in one country could be seen as rude in another. This differences you can learn them in intercultural communication classes. In order to remind myself how not to become an annoying expat or traveler myself, I have compiled the following list of dos and don’ts.
In conclusion, I hope this will help you to be a great expat and enjoy your stay in Berlin!