Although it is not far from Moscow, Kasimov has a rather unusual history as it became a Tatar khanate in the 15th century when it was granted to Qasim – a son of Khan Oluğ Möxämmäd of Kazan. The city is now named after Qasim. A mosque and mausoleum from the Kasimov Khanate era have survived to this day, which has led to the city being named a Historical City of Russia. With no railway links, it is easiest to visit Kasimov from Ryazan.