B1 Brazilian Jiu Jitsu & Self Defense Naperville, located in Aurora, Illinois, is highly praised for its welcoming and supportive environment, making it an excellent choice for both beginners and experienced practitioners. Reviewers consistently highlight the knowledgeable instructors, particularly Professor Bruce, and the clean, well-maintained facilities, emphasizing the positive community atmosphere that fosters personal growth and skill development. For more information, please contact the school directly.