The story
Region Avia was registered in Moscow in 2005, as a company which was to 52% owned by (unnamed) Russian citizens and had an initial funding of $50 million. It received its Air Operator's Certificate on 19 August 2006. The last scheduled flight (from Tambov to Moscow) took place on 31 December 2010, and the company was dissolved in early 2011.
From Wikipedia’s article on Region Avia, shared under CC BY-SA 4.0.3