Translation of Dane in German

We were a little worried about the entry to Vietnam because regulations specifically mentioned to leave two blank pages in the passport for the Visa stamp and my wife's passport was full.
Tam Coc was a place where the river ran through different limestone mountains. The view was amazing. However, the two hundred other boats on the river really destroyed the atmosphere.
The biggest city in Germany is Berlin. The other big cities are not as big but some of them are really nice. And especially the smaller cities here are very charming and worth visiting.