Amara was a short-lived character on The Vampire Diaries. She was born in the ancient Greek world. She was the origin of the doppelganger cycle which included Katherine Pierce (Katerina Petrova) and Elena Gilbert. It's too detailed and complicated to really explain. You should watch all the seasons! :)
Amara "Magma" Aquilla, a Marvel Comics superhero best known as being a member of the X-Men spin-off group, the New Mutants. Amara was from Nova Roma ("New Rome"), which was actually located in Brazil.