Agzybirchala () or Davachi limany () is a swampy freshwater lake on the shores of the Caspian Sea located in the Samur-Davachi lowland on the territory of the Shabran district of Azerbaijan. In the past, the lake was an estuary and was of a great fishery importance. The area is and the volume is .
The rivers Shabran, Davachi and Takhtakorpu flow into the lake Agzybirchala, where from it takes its beginning the Garadakhna river which flows out into the Caspian Sea.
Bird hunting and fishing is practiced here during the hunting season. In the 1930's, 500 - 600 centners of fish per year were caught in it.