Razavi bath is beside the Al-Nabi mosque, it's entrance is a special, covered hallway, between Jelo Khan Al-Nabi mosque and Vazir Bazar. It is straight and in addition to bath, there are four pools.
The other bathes of Qazvin are Sa'die, Mirza Karim, Dodar, Akhund, SArdar and Haj Mohammad Taqi.