Ryazhsky Uyezd
Ryazhsky Uyezd (Ряжский уезд) was one of the subdivisions of the Ryazan Governorate of the Russian Empire. It was situated in the southeastern part of the governorate. Its administrative centre was Ryazhsk. Demographics
At the time of the Russian Empire Census of 1897, Ryazhsky Uyezd had a population of 138,854. Of these, 99.9% spoke Russian as their native language. References

 
Uezds of Ryazan Governorate
Ryazan Governorate