What is the setting of Blood Promise by Richelle Mead?

The novel is set in several locations. The novel begins in Russia and moves deep into Siberia. Rose is in search of Dimitri and this search takes her from St. Petersburg to Moscow to the small village of Baia, finally to Novosibirsk. At the same time, Rose visits her friend, Lissa, in Montana where Lissa continues to be a student at St. Vlad's Academy.