1) Dacian town 
Tyrida was an ancient fortress at lake Bistonis in Thrace and believed to belong to a Geto-Dacian enclave.{sfn|Olteanu|loc=Toponyms} ==Ancient sources== Martianus Capella talks about Tyrida in his De nuptiis, noting that it was located near regio Maronea.{sfn|Martianus Capella|439 AD|loc=6.657}{sfn|Olteanu|loc=Toponyms} The fortress is also mentio...