This is the 7180th most frequent Russian word.
валдай
Valdai - a region in Russia, often referring to the Valdai Hills, known for lakes and forests.
Used as the location where an activity takes place, employing the proper noun with a preposition.
Мы с семьёй отдыхали в Валдае прошлым летом.
My family and I spent our vacation in Valdai last summer.
Used as the proper noun denoting a location.
Валдай - это город в Новгородской области России.
Valdai is a town in the Novgorod region of Russia.
Used as an adjective derived from the proper noun Valdai to describe a geographical feature.