What is "mariinsko-posadsky"

Mariinsko-Posadsky (masculine), Mariinsko-Posadskaya (feminine), or Mariinsko-Posadskoye (neuter) may refer to:

• Mariinsko-Posadsky District, a district of the Chuvash Republic, Russia
• Mariinsko-Posadskoye Urban Settlement, an administrative division and a municipal formation which the town of Mariinsky Posad in Mariinsko-Posadsky District of the Chuvash Republic, Russia is incorporated as