Ust-Tabaska (Russian: Усть-Табаска; Bashkir: Табаҫҡытамаҡ, Tabaśqıtamaq) is a rural locality (a village) in Askinsky District, Bashkortostan, Russia.

Ust-Tabaska is located 69 km east of Askino (the district's administrative centre) by road.

Zaimka is the nearest rural locality.

This Askinsky District location article is a stub.

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