How many letters does the top answer for “home of ziggo dome” have?

The most common answer is amsterdam (9 letters).

Crossword clue: home of ziggo dome

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

amsterdam 9 letters wd-fact-v3

an industrial center and the nominal capital of the Netherlands; center of the diamond-cutting industry; seat of an impo

home of dome of the chain 50% similar → jerusalem

home of georgia dome 50% similar → atlanta

home of unipol dome 50% similar → milan