Exploring castles near Barcelona is a must-do for anyone interested in Spain's history and architecture. But it's easy to miss out on some amazing spots if you don't know where to look. In this guide, we'll take you on a journey to 12 castles near Barcelona that are a must-visit. These castles are not far from the city and include both well-known attractions and lesser-known spots waiting to be discovered. They're perfect for anyone looking to explore and learn about history firsthand.