How many letters does the top answer for “city in brandenburg-prussia” have?

The most common answer is konigsberg (10 letters).

Crossword clue: city in brandenburg-prussia

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

konigsberg 10 letters wd-fact-v3

city in brandenburg 67% similar → brandenburganderhavel, cottbus, frankfurt

city in duchy of prussia 50% similar → konigsberg

city in east prussia 50% similar → konigsberg

city in kingdom of prussia 50% similar → konigsberg, trzebiatow, wrzesnia

city in province of prussia 50% similar → konigsberg