What is "kostromskoy"

Kostromskoy (masculine), Kostromskaya (feminine), or Kostromskoye (neuter) may refer to:

• Kostromskoy District, a district of Kostroma Oblast
• Kostromskoy (cheese), a type of Russian cheese
• Kostroma Oblast (Kostromskaya oblast), a federal subject of Russia
• Kostromskaya (rural locality), a rural locality (a stanitsa) in Krasnodar Krai, Russia
• Kostromskoye, a rural locality (a selo) in Sakhalin Oblast, Russia