conservation area

Translations
заповедная зона
The forest was designated as a conservation area to protect its biodiversity.
Лес был объявлен заповедной зоной для защиты его биоразнообразия.
Definitions
A conservation area is a designated zone that is protected by law to preserve its historical, architectural, or natural significance. The aim is to maintain the character and appearance of the area, often involving restrictions on development and alterations to buildings.
Words
conservation

noun
охрана
area

noun
территория