How many letters does the top answer for “home of museum barberini” have?

The most common answer is potsdam (7 letters).

Crossword clue: home of museum barberini

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

potsdam 7 letters wd-fact-v3

a city in northeastern Germany; site of the Potsdam Conference in the summer of 1945

home of acropolis museum 50% similar → athensmunicipality

home of capitoline museums 50% similar → rome

home of cyprus museum 50% similar → ayiosandreas

home of czartoryski museum 50% similar → krakow

home of egyptian museum 50% similar → cairo

home of larco museum 50% similar → lima

home of neues museum 50% similar → bezirkmitte

home of nordic museum 50% similar → stockholmmunicipality