Aklan (Aklanon: Akean, Aklanon pronunciation: [ak'ɤn]) is a province of the Philippines in the Western Visayas. It's the oldest province in the Philippines. Its capital is Kalibo. It is in the northwest portion of Panay Island, bordering Antique Province to the southwest, and Capiz Province to the east. Aklan faces the Sibuyan Sea and Romblon Province to the north.Aklan is considered to be the oldest province in the country and is believed to have been established in the 12th century by settlers from Borneo ruled by the chieftain DatuDinagandan which traded with its neighbouring islands.^{[citation needed]}

Towards the end of the 14th century, Datu Dinagandan moved the capital from what is now Batan. In 1433, Datu Kalantiaw's grandson and successor, Datu Kalantiaw III, was said^{[by whom?]} to have formulated a set of laws known today as the Code of Kalantiaw. Well respected scholarly long-term Philippine resident historian William Henry Scott, proved these "laws" to be a total fabrication.^[1][2][3][4] In 1437, the short-lived dynasty of Datu Kalantiaw ended when Datu Kalantiaw III was killed in battle with the tribes of Datu Manduyog, the legitimate successor of Datu Dinagandan. When Datu Manduyog became the new chieftain, he moved the capital to Bakan (now known as Banga).

Several datus succeeded Datu Manduyog until the Spanish explorer Miguel López de Legazpi landed in Batan in 1565 and claimed the island for Spain. Datu Kabanyag was the chieftain at that period and had his capital in Libacao.

In 1942, the Japanese invaded Aklan during World War II and in 1945, combined Filipino and American army along with Aklanon guerrillas liberated Aklan during the war in the Pacific.

Aklan finally became a separate province through Republic Act No. 1414 signed by Philippine President Ramon Magsaysay on April 25, 1956, separating Aklan fromCapiz.^[5] The original towns were Altavas, Balete, Batan, Banga, Buruanga, Ibajay, Kalibo, Lezo, Libacao, Madalag, Malay, Makato, Malinao, Nabas, New Washington, Numancia, and Tangalan, then all part of the province of Capiz. The province was inaugurated on November 8, 1956. José Raz Menez was appointed the first governor of Aklan by President Magsaysay and he served until December 30, 1959. In 1960, Godofredo P. Ramos became the first elected governor but upon resigning to run for Congress he was succeeded by the vice governor, Virgilio S. Patricio. In 1964, José B. Legaspi succeeded Patricio and he held office for two consecutive terms from 1964 to 1971.