The Aba (Russian: река Аба) is a river in Russia; a left tributary of the Tom. It flows across the steppes, and merges with the Tom near Novokuznetsk. It is 71 kilometres (44 mi) long, and has a drainage basin of 867 square kilometres (335 sq mi).[1] There are coal deposits in the river's basin. The Aba people live in the river's vicinity.
