Home›Former principalities›Upper Oka Principality🌐EnglishEnglishDeutschFrançaisNederlandsPolskiРусский中文日本語EntityQ1939894· pop 14· linked from 44 articlesUpper Oka PrincipalityAlso known as Upper Oka Principalitiesone of several medieval Russian principalities near the river OkaAvailable in 14 languagesFrançaisDeutsch中文日本語РусскийAzerbaijaniBelarusianDanishLatvianLithuanianConnectionsPolandCountryRussianEntityCategoriesFormer principalitiesHistorical regions in RussiaOlgovichi familyPrincipality of ChernigovRussia articles missing geocoordinate dataStates and territories established in the 14th centuryUse Oxford spelling from June 2025