Bagansiapiapi (Jawi; باݢنسياڤي اڤي‎,simplified Chinese:峇眼亚比; traditional Chinese:峇眼亞比; pinyin:bā yǎn yǎ bǐ) or simply known as Bagan (Chinese:峇眼; pinyin:bā yǎn) is a city in Riau province on the island of Sumatra, Indonesia. The city is the capital of Rokan Hilir Regency in the Riau Province and is located on the east coast of Sumatra, on the Rokan River delta across the strait west of Malacca and near Dumai.