Tomioka is a city located in Gunma Prefecture, Japan. It is known for its rich history and beautiful natural surroundings, including the Tomioka Silk Mill, a UNESCO World Heritage Site. The city has a population of around 40,000 residents and offers a mix of urban and rural environments. The area is also famous for its traditional festivals and local cuisine, which attract visitors throughout the year. Tomioka's proximity to the Joshin'etsu National Park provides opportunities for outdoor activities such as hiking and sightseeing, making it a popular destination for nature lovers.