Churches in Russia are diverse, reflecting the country's rich cultural and historical heritage. The predominant religion is Eastern Orthodox Christianity, with the Russian Orthodox Church being the largest denomination. Many churches feature distinctive onion domes and intricate frescoes, showcasing traditional Byzantine architecture. In addition to Orthodox churches, Russia is home to various other religious buildings, including Catholic, Protestant, and Islamic mosques. Major cities like Moscow and Saint Petersburg have numerous historic churches, while rural areas often feature smaller, local places of worship. These churches serve as important community centers and symbols of faith for many Russians.