Join一 科学与技术 upcoming events being held in Khvalynskiy Rayon. Khvalynskiy Rayon is a picturesque region in Russia's European continent, located in the Saratov Oblast, known for its stunning landscapes, including the Volga River and the Zhiguli Mountains, offering opportunities for outdoor activities like hiking and water sports, as well as cultural experiences with its rich history and traditional Russian architecture.