How to say "whose" in Russian?

[Chey]

"whose" is Чей in Russian.

Чей means "whose" in English.

Word #1111 of 6,000 by frequency in Russian.

Я не знаю, чья это книга.

I don't know whose book this is.

• Спокойно, Calmly
• Штука, thing, piece
• Волноваться, to worry, to be nervous
• Свидание, date, meeting
• Современный, Modern
• Составить, to compose, to draw up, to make up
• Ночью, at night
• Ввиду, in view of, due to