Maia Municipality (Portuguese pronunciation: [ˈmajɐ]) is located in the Porto Metropolitan Area, Grande Porto subregion, in Norte Region, Portugal. The city of Maia includes the parishes of Gueifães, Maia and Vermoim, and has 39,949 inhabitants. The Maia Municipality comprises 135,049 inhabitants in 17 parishes for a total land area of 83.70 km². Maia parish proper, has a population of 9,816. There are also 3 towns in the municipality: Moreira, Castêlo da Maia and Águas Santas. The last one has 27,463 people in conurbation with the municipality of Porto.

Roberto C. Cajes (born October 8, 1950) is a Filipino politician. A member of the Lakas-CMD Party, he has been elected to three terms as a Member of the House of Representatives, representing the Second District of Bohol. He first won election to Congress in 2001, and was re-elected in 2004 and 2007.

As a former priest, he worked as a Priest at the Immaculate Concepcion Parish in Baclayon, Bohol; St. Michael the Archangel Parish in Jagna, Bohol; and St. Anthony de Padua Parish in Sikatuna, Bohol. Served as a Chaplain at the Knights of Columbus Parish in Tagbilaran, Bohol. Worked at the Immaculate Heart of Mary Seminary and University of Bohol in Tagbilaran City as a professor. Became the Attorney-at-law in Roberto Cajes Law Office in Talibon, Bohol. From 1992 to 1995, he served as the Provincial Board Member and then again from 1998 to 2001.

He finished his masteral and doctorate degrees and finished Bachelors of Laws at the Holy Name University (Divine Word College of Tagbilaran).

A lawyer by profession, Cajes had served as a member of the Provincial Board of Bohol from 1992 to 2001. During his first term as congressman, Cajes who was a neophyte earned the respect of his colleagues that lead to his seat as Senior Vice Chairman of the Committee on Transportation and Telecommunications—a seat that is rarely given to neophyte solons.