This is the 7058th most frequent Russian word.
белгород
"Белгород" (Belgorod) is the name of a city in Russia, meaning "white city."
In this sentence, 'Белгород' functions as the subject of the sentence, representing the name of the city.
Белгород известен своим историческим центром.
Belgorod is known for its historic center.
Here, 'Белгород' is used as the object of the preposition 'в', referring to the destination of the journey.
Мы отправились в путешествие в Белгород.
We went on a trip to Belgorod.
In this example, 'Белгороде' is the prepositional form of 'Белгород', indicating the location of the event.