Ba ‧ ja Cal ‧ i ‧ for ‧ ni ‧ a /ˌbɑːhɑː kæləˈfɔːniə $ -ˈfɔːrnjə/ BrE AmE ( also Baja )
a ↑ peninsula (=long thin piece of land) in Mexico that is connected to southern California and goes into the Pacific Ocean. Baja California is a popular place for tourists.