Gemas is a small town and a mukim in Tampin District, Negeri Sembilan, Malaysia, near the Negeri Sembilan-Johor state border. It is situated 101 km northeast of Seremban, the state capital city, and 32 km north of Segamat, Johor. Gemas is notable for being at the railway junction between the Malaysian west and east coast rail lines. For this reason, Gemas is busy for a town of its size. Gemas is accessible via train from Singapore and Kuala Lumpur.