Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Uetsu Main Line is a railway in the T hoku and Ch bu regions of Japan. Part of the East Japan Railway Company (JR East) system, it connects Niitsu Station in the city of Niigata and Akita Station in Akita. The name "Uetsu" refers to the ancient provinces of Dewa and Echigo , which the line connects.East Japan Railway Company is the largest passenger railway company in the world and one of the seven Japan Railways Group companies. The company name is officially abbreviated as JR East in English, and as JR Higashi-Nihon in Japanese. The company's headquarters are in Yoyogi, Shibuya, Tokyo.