Guinayangan is a philippine municipality in the province Quezon in Region IV-A CALABARZON which belongs to the Luzon group of islands. The municipality Guinayangan is seated about 93 km east of province capital Lucena City and about 178 km east-south-east of Philippine main capital Manila.
Guinayangan is a 3rd class municipality. Regarding urbanization Guinayangan is classified as partly urban. Guinayangan occupies an area of 214.12 km². By the end of 2007 Guinayangan was the home of 39,074 residents. Thus by average 182.49 people are living on one km².
Administratively the Municipality of Guinayangan is subdivided into 54 barangays. One forms the center of the city wheras the other 53 are in the outlying areas. Some of them are even several kilometers away from the center of the Municipality. The most populous are San Jose, Danlagan Cabayao, Del Rosario, San Miguel, Bukal Maligaya, Ermita, Dungawan Pantay, Cabibihan, Magallanes, San Pedro II, Magsaysay, Manggalang, Cabong Sur, Danlagan Batis, Danlagan Central.
Among the bigger cities and municipalities in the neighborhood of Guinayangan there are Naga City (Camarines Sur) 89 km east-south-east, Labo (Camarines Norte) 41 km north-north-east, Lucena City 92 km west, Daet (Camarines Norte) 60 km east-north-east, Libmanan (Camarines Sur) 66 km east-south-east, City Of Tayabas 97 km west-north-west, Catanauan 31 km south-south-west, Calauag 23 km north-west, Pili (Camarines Sur) 94 km east-south-east as well as 83 km east of Guinayangan the municipality Calabanga (Camarines Sur).