The Euro. You'll have to check the latest exchange rate but it has been around $1.18 to €1 the past year.
Yes and we recommend Uber over a taxi!
Yes - Berlin is a very cash friendly city. You can use a credit card most places but you will run into places that are cash only so we recommend taking some euros out.
Yes - a very extensive network. Trains, trams, and buses. Google Maps is the best app for navigating.
To allow all guests to fully enjoy the celebration, our plan was to have an adults only wedding. However, we understand that travel and family logistics can be complex, please reach out and let us know if you'd like to bring your children.
Most people you will interact with will have at least some basic english skills so don't get too stressed about not speaking German!
Tipping 10% at sit down restaurants/bars is considered appropriate for good service