The city of Fianarantsoa (commune urbaine) in the southern centre of Madagascar is the capital of the Haute Matsiatra region. The Fianarantsoa (fi-a-nar-ant-soo), or short Fianar, is like a mild version of Tana. The Fianarantsoa, commonly abbreviated as Fianar, is a city in the Fianarantsoa province of Madagascar. Receive the Fianarantsoa weather forecast. Fianarantsoa's old town is located in a dramatic hilly landscape that was once dominated by a palace used by the Merina royal family during state visits.