How many letters does the top answer for “a province in southern china” have?

The most common answer is guangdong (9 letters).

Crossword clue: a province in southern china

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

guangdong 9 letters wn-def

a province in southern China

a province of southern china 100% similar → yunnan

bridge in southern province 50% similar → kazungulabridge

city in southern province 50% similar → galle, nyanza