 Mazaua is officially, by Philippine law, declared as the island of Limasawa, an isle without anchorage, and the port is located east of the island.De Mafra's most clarifying testimony is that Mazaua was 15 leagues, roughly , below Butuan in 1521 which in Pigafetta's map, and text is a larger geographical conception than the present-day map.The land area starts from present day Surigao, and extends all the way to Zamboanga del Norte.