It is bounded by the rugged central mountains of Panay, bordering on the provinces of Aklan in the northeast, Capiz on the east, Iloilo in the southeast and the Sulu Sea on the west. Its western-most and northernmost point is Semirara Island at 12°07′10″N 121°21′10″E, while its easternmost point is approximately11°01′N 122°19.5′E. Anini-y is the province's most southerly point at 10°24′24″N 121°57′38″E. Resembling a seahorse in shape, it is 155 kilometres (96 mi) long and 35 kilometres (22 mi) at its widest point.