Knyazhevo (Bulgarian: Княжево) is a neighbourhood in Sofia, the capital city of Bulgaria. Administratively, it is part of the Vitosha District of Stolichna Municipality in the southwestern part of the Sofia City Province.

Spread across the banks of the river Vladayska reka of the Iskar drainage, the neighbourhood sprawls along the slopes of the mountain ranges of Vitosha to the southeast and Lyulin to the northwest in the area where the Vladaya Pass between the mountains enters the Sofia Valley. There are seven mineral springs with a total discharge of 16 L/sec and temperature of 32–38 °С, whose water composition is similar to those in the nearby spa town of Bankya. There two villa zones along the mountain slopes