My wife's family comes from Naga City, a small city in Luzon. There is not much to do, and most activity centers around family and family gatherings.
But, a drive around town will give you a sense for the place. There are nice churches to visit, venerable schools, and the prerequisite market.
As far the nightlife goes, there is a row of restaurants, clubs, and coffee shops on Magsaysay street. Here is where the young go to eat, dance and be seen.
The big festival, which happens in September is the Peñafrancia fiesta, held on honor of our Lady of Peñafrancia, Patroness of Bikolandia. Traditional events which are the Translation and the fluvial procession along the storied Naga River.