Gerona is one of the 17 municipalities of Tarlac Province, which is commonly referred to as the "Melting Pot of Central Luzon." It is bounded on the North by Paniqui (7.5 km); on the East by the Municipality of Pura (5.8 km); on the South by Tarlac City (14.4 km), the central capital of the province; and on the West by Sta. Ignacia (19.3 km). It is accessible by any kind of conveyance from all towns.
It is around 73 km. from San Fernando, Pampanga; the Regional Center; around 50 km from Clark Special Economic Zone in Angeles City; and 139 km north of Metro Manila.