Principality of Ryazan

State · 1094–1240 CE · at its largest around 1236 CE

Rus' principality on the Oka river south-east of Moscow, the first to be sacked in the Mongol invasion of 1237; it survived as a principality until annexed by Moscow.

On its lands while it lasted

• Ryazan (1095 CE): Capital of Principality of Ryazan (1097–1240), Ryazan (1453–1520).
• Kasimov (1152 CE): Capital of Qasim Khanate (1453–1551).

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