koblenz, germany - 04 30 2024: kurfürstliches schloss koblenz, city side gate

estate plaza palace architecture landmark building city memorial neighbourhood facade downtown property mansion courtyard monument park koblenz germany 2024 kurfafrac14 rstliches schloss side rhinelandpalatinate famous mosel estuary deutsches eck north mittelrheintal unesco world heritage site historic old town rebuild shows mix medieval buildings rivers tourism nearby gate rhine valley middle rhein river beautiful europe travel holiday destination weltkulturerbe vacation confluentes coblenz