Vazrazhdane (Bulgarian: Възраждане) is a district in the centre of Sofia. As of 2012 it has 49,158 inhabitants. The district's area is 3.16 km² (1 sq mi) or 2,5% of the total capital area. It has several neighbourhoods: the Zones B-2, B-3, B-4, B-5, B-18 and B-19 as well as Serdika.