Interbus is a Spanish bus company which has regular bus lines from Madrid to various cities in the region of Andalusia: Madrid-Malaga, Madrid-Marbella, Madrid-Algeciras. There are also lines to Cadiz and Cordoba.
Interbus has a fleet of 400 modern buses; the buses are white and have a blue Interbus logo on both sides. Wi-Fi is available on board, each seat has an electrical outlet and a USB socket. Bus rental is also available.