How many letters does the top answer for “city in chattogram district” have?

The most common answer is chittagong (10 letters).

Crossword clue: city in chattogram district

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

chittagong 10 letters wd-fact-v3

a port city and industrial center in southeastern Bangladesh on the Bay of Bengal

city in abinsky district 50% similar → abinsk

city in absheron district 50% similar → khyrdalan

city in acheng district 50% similar → huining

city in afaq district 50% similar → afak

city in agra district 50% similar → fatehpursikri

city in ajmer district 50% similar → kishangarh, pushkar

city in altyariq district 50% similar → tinchlik

city in amravati district 50% similar → anjangaon