How many letters does the top answer for “home of slovak national gallery” have?

The most common answer is bratislava (10 letters).

Crossword clue: home of slovak national gallery

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

bratislava 10 letters wd-fact-v3

capital and largest city of Slovakia

home of national gallery of armenia 60% similar → kentrondistrict, yerevan

home of national gallery of canada 60% similar → ottawa

home of scottish national gallery 60% similar → cityofedinburgh