Zostel Varanasi is a well-known hostel with great reviews specifically highlighting the safety and comfort for solo female travelers. It is centrally located near the Ghats, making it convenient to explore the city. The hostel offers clean, female-only dorms and a friendly community atmosphere.
Familiarize yourself with the hostel's common areas including the lounge and rooftop cafe, which are great for meeting other travelers and relaxing after your journey.