Title: Iba, Zambales
Content:  Iba, officially the  (Baley na Iba; Bayan ng Iba), is a   of the Philippines and capital of the province of,. According to the, it has a population of people. As the capital of the province, it is second largest provincial capital in terms of land area in Central Luzon Region after Tarlac City. Iba is the birthplace of former Philippine President Ramon Magsaysay. With a continuously growing number of commercial establishments, banks, and financial institutions in Iba, it contends among the most competitive municipalities in Philippines, and is pushing forward towards a progressive city.
Title: Iba, Osun State
Content:  Iba is in the Ifelodun Local Government Area in the northeast of Ọṣun State a few kilometers northeast of Ikirun, east of Inisa and southeast of Okuku.
Title: Ibiá
Content:   Ibiá is a Brazilian municipality located in the west of the state of Minas Gerais. Its population was estimated to be 25,358 people living in a total area of 2,707 km². The city belongs to the mesoregion of Triângulo Mineiro and Alto Paranaíba and to the micro-region of Araxá. It became a municipality in 1923.
Title: Iba, Osun State
Content:  Iba is a community in the Ifelodun Local Government Area of Ọṣun State, Nigeria.
Title: Ibiaí
Content:   Ibiaí is a Brazilian municipality located in the north of the state of Minas Gerais. In 2020 the population was 8,437 in a total area of 870 km². It became a municipality in 1963.
Title: Iba, Zambales
Content:  Iba has a tropical monsoon climate (Köppen climate classification Am). Iba's climate is no different from the other towns where rainy season begins from May and ends in October, while the dry season is from November to April. An average of 43.15 cm of annual rainfall with a temperature of 22 C is observed during rainy season. The highest temperature recorded is 34 C while the lowest is 19.18 C.
Title: Ibiaí
Content:  Ibiaí is located on the right bank of the São Francisco River at an elevation of 470 meters, 72 km. north of Pirapora. Neighboring municipalities are: Buritizeiro, Lagoa dos Patos, Ponto Chique, and Coração de Jesus. Ibiaí is part of the statistical microregion of Pirapora.
Title: Iba Airport
Content:  Iba Airport (Filipino: Paliparan ng Iba, Ilocano: Pagtayaban ti Iba) is an airport serving the general area of Iba, located in the province of Zambales in the Philippines. It is one of the five airports in Zambales. It is classified as a feeder airport by the Air Transportation Office, a body of the Department of Transportation and Communications that is responsible for the operations of not only this airport but also of all other airports in the Philippines except the major international airports. Iba Airport serves as a training area for the Philippine Air Force and today, most of the traffic that goes in Iba Airport are general aviation.
Title: Ibiá
Content:  Ibiá is located at an elevation of 895 meters, 55 km. east of Araxá just north of highway BR-262. The distance to the state capital, Belo Horizonte, is 324 km. Neighboring municipalities are:  Serra do Salitre and Rio Paranaíba (N), Campos Altos (E), Pratinha and Medeiros (SE), Tapira (S) and Araxá (W). Ibiá is an important railroad junction and its history is tied to the railroad. The Ferrovia da Centro Atlântica, a railroad line used for cargo, passes through the town and divides into the Ibiá-Patrocínio-Brasília line and the Ibiá-Araxá-Uberaba-São Paulo line.
Title: Ibb
Content:  Ibb (إِبّ) is a city in Yemen, the capital of Ibb Governorate, located about 117 km northeast of Mocha and 194 km south of Sana'a. A market town and administrative centre developed during the Ottoman Empire, it is one of the most important medium-sized cities in the country. It is situated on a mountain ridge, surrounded by fertile land. As of 2005, it had a population of 160,000.

Question: What is Iba the capital of?
Answer: Zambales.
Province of Zambales.