Bataan National Park is a protected area of the Philippines located in the mountainous interior of Bataan province in Central Luzon Region. The park straddles the northern half of Bataan Peninsula near its border with Subic Bay Freeport Zone, Zambales. The park was first established in 1945 under Proclamation No. 24 with an initial area of 31,000 hectares and included portions in Subic, Zambales. The park was reduced in 1987 to its present size of 23,688 hectares (58,530 acres) and is now wholly located in Bataan province. The park encompasses the Bataan towns and cities of Hermosa, Orani, Samal, Abucay, Balanga, Bagac and Morong.