Clue: Girl in a state (in Havana) (8)
Answer: VIRGINIA
Explanation: Girl in a state (in Havana) (8)
Double definition and Va. (the abbreviation for Virginia) is in haVAna. 
Originally, I was going to call foul on this as I thought that Wanderer wanted to use Havana (the cigar) as a synonym for Virginia (the tobacco).