About Rosario
- About 5,600 people live in Rosario.
- It's part of Calabarzon.
- Quezon City, the largest city in the Philippines, is about 158 km away.
- For a bigger city, Calauag is about 11 km away.
- Towns nearby: Atimonan (41 km), Pagbilao (63 km) and Mauban (69 km).