Prague city has one of the best public transports in Europe, timely and economic. In this websites you can find all information to move in and out Prague. With option in English.
Here is a link to plan routes in Prague in real time. You can download the app for mobile phone.
http://jizdnirady.idnes.cz/vlakyautobusymhdvse/spojeni/
On this website you can find the best exchange office. The office is in downtown, in the historic centre.
Address and phones in case of emergency
http://www.exteriores.gob.es/Embajadas/PRAGA/es/Paginas/inicio.aspx
All information about activities, exhibitions, worshops, library, etc, all in Spanish.
http://praga.cervantes.es/es/default.shtm