This is the 15113th most frequent Russian word.
полесье
"Полесье" refers to a forested or wooded region, often near marshes or lowlands.
Here, 'Полесье' is used as a proper noun to refer to a geographic region in Eastern Europe.
Я мечтаю посетить Полесье осенью.
I dream of visiting Polesie in the autumn.
In this sentence, 'полесье' is used as a common noun to describe a forested or woodland area.
В полесье растет множество редких растений.
In the woodland, many rare plants grow.
Here, 'полесье' refers to a specific type of ecosystem or habitat where certain birds live.