Tumen is a city located in the northeastern part of China, near the border with North Korea and Russia. It serves as an important economic and transportation hub in the Jilin province. The city is known for its diverse population and rich cultural heritage, influenced by its proximity to multiple countries. The Tumen River, which flows through the city, is a significant geographical feature that forms part of the border between China and North Korea. The river plays a crucial role in local agriculture and trade, supporting the livelihoods of many residents in the region.