Bira Circuit is a motor racing track named after Thai prince Prince Birabongse Bhanutej Bhanubandh. The circuit has been operated by Bira Circuit One Company, Limited. The track, initially opened in 1985, covers an area of 65 acres (260,000 m²). It is a 2.41 kilometres (1.50 mi) permanent motor and motorbike racing circuit with an offroad track, a rally stage and a go-kart facility. It is located in 111 Moo 5 Banglamung, Chonburi, 15 kilometres (9.32 mi) Northeast of Pattaya.