How many letters does the top answer for “city in lower saxony” have?

The most common answer is brunswick (9 letters).

Crossword clue: city in lower saxony

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

brunswick 9 letters wd-fact-v3

a city in central Germany

osnabruck 9 letters wd-fact-v3

city in saxony 67% similar → herrnhut, leipzig

city in lower austria 50% similar → carnuntum, krems, waidhofenanderybbs

city in lower franconia 50% similar → wurzburg

city in lower shebelle 50% similar → merca

city in saxony-anhalt 50% similar → halle, magdeburg