1. What is the capital of Spain? The capital city of Spain is Madrid. It is in the centre.

Madrid:

2.Are there any especial or important buildings in Spain?

In Barcelona ,you can find the Casa Batlló ,Sagrada Familia, the Agbar tower, Pedrera and Park Güell.

The Pedrera

The Casa Batllo

Park Güell

the Sagrada Familia

and the Agbar tower

In madrid , you can find the Prado museum, the Retiro park and la Puerta del Sol.