Srednyaya Oka (; , Urta Aqa) is a rural locality (a village) in Bolsheokinsky Selsoviet, Mechetlinsky District, Bashkortostan, Russia. The population was 319 as of 2010.Всероссийская перепись населения 2010 года. Численность населения по населённым пунктам Республики Башкортостан There are 2 streets.
Geography Srednyaya Oka is located 14 km north of Bolsheustyikinskoye (the district's administrative centre) by road. Bolshaya Oka is the nearest rural locality.Расстояние от Средней Оки до Большеустьикинского
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