Apia, town, port, and capital (since 1959) of Samoa. It is located on the northern coast of Upolu Island, in the South Pacific Ocean. The Apia Observatory, the legislative council chambers, and a broadcasting station are on the Mulinuu Peninsula, a promontory dividing Apia Harbour from Vaiusu Bay. The 19th-century Scottish writer Robert Louis Stevenson spent the last year of his life in Apia, and his home, Vailima, is now the residence of the head of state. Apia, town, port, and capital (since 1959) of Samoa. It is located on the northern coast of Upolu Island, in the South Pacific Ocean. The Apia Observatory, the legislative council chambers, and a broadcasting station are on the Mulinuu Peninsula, a promontory dividing Apia Harbour from Vaiusu Bay. The 19th-century Scottish writer Robert Louis Stevenson spent the last year of his life in Apia, and his home, Vailima, is now the residence of the head of state. Stevenson is buried at Mount Vaea, which rises to 1,500 feet (460 metres) on the town’s southern outskirts. The government holds title to the town land.is buried at Mount Vaea, which rises to 1,500 feet (460 metres) on the town’s southern outskirts. The government holds title to the town land.