The heroine of the popular supernatural drama series 'The Vampire Diaries' is Elena Gilbert, a teenage girl who lives in the fictional town of Mystic Falls. She is portrayed by actress Nina Dobrev and is the main protagonist of the show. Elena is a strong-willed and determined young woman who is willing to do whatever it takes to protect her friends and family. She is also a compassionate and caring person who is willing to put herself in danger to help others.