Groß-gerau in Germany offers a unique experience to travellers. When planning a trip to Groß-gerau, make sure you visit its near-by prime city of Mainz. Attractions in Mainz include The Main Tower, The Goethe House, Sachsenhausen. Also, to reach Groß-gerau, you'll have to take a flight to Mainz; so its not really a detour. And even if it is, the city is worth paying at least a quick visit. Most online packages to this city are of 1-2 days.